iiinova — where your digital self keeps evolving

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Paul Voosen @voosen.me · 28/09/2026

New Horizons is now *three days away* from shutting off its two heliophysics instruments, simply because NASA has not provided the $2M in funding it had promised to the mission last year or this year. There is no science basis for shutting these off. Our earlier coverage:

science.org

NASA’s New Horizons mission may shut down two instruments over lack of funding

Decision risks “incalculable loss” of data from the edge of the Sun’s influence, scientists say

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Hourly Cosmos @hourlycosmos.bsky.social · 27/09/2026

Portrait: Europa and Jupiter - Composite Image - Nasa’s Juno PJ37 - From Andrea Luck (andrealuck.bsky.social) - flic.kr/p/2mGHAHC

Data processed from Nasa's Juno

Orbit (Perijove) 37

Product ID: JNCE_2021289_37C00054_V01 (Jupiter)

JNCE_2021289_37C00015_V01
(Europa)

Credit:
Nasa/SwRI/MSSS/AndreaLuck

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Paul Byrne @theplanetaryguy.com · 12/09/2026

I have a new paper out! Over the weekend I'll do a thread on what the Solar System can tell us about rocky exoplanets— but for now, enjoy this to-scale set of cross sections I made of the rocky worlds in *this* system! (They're all different, but still all variations on a theme...)

Interior structure models of Earth, Venus, Mercury, Mars, the Moon, and Io, all shown to scale and key elements labelled.

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Dr. Adeene Denton @spacewhalerider.com · 07/09/2026

Occasionally a job application will have an "Other Attachments in Support of Your Application" category and every time I have to stop myself from attaching this

A meme of the "stop doing X" variety. It reads:
Stop doing impact modeling
DINOSAURS don’t know what happened, NEITHER SHOULD WE
Years of modeling yet not real-world use found for being mean to fake planets on the computer
Wanted to learn planetary structure? We had a tool for that: It was called doing seismology or making it up.
"Yes, please give me EOS of something. Please give me the rheology of it." - Statements dreamed up by evil wizards.
Look at what impact modelers have been demanding your respect for all this time, with all the computers and labs we built for them. (This is REAL data, done by REAL impact modelers):
Three pictures of models done by the post author, each labeled ????
"Hello I would like to make to Moon please."
They have played us for absolute fools

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Sarah McAnulty, Ph.D. @sarahmackattack.bsky.social · 05/09/2026

Please repost! Drexel announced that it will close the Academy of Natural Sciences public museum- the oldest nat history museum in the US. There are 2 petitions to support the academy. Please sign both & come to our rally Tues. actionnetwork.org/petitions/pe... www.change.org/p/the-academ...

A poster featuring the T-Rex at the cognitive natural sciences, which says save the Academy natural sciences, museum rally in front of the academy 1900 Ben Franklin Parkway, Tuesday, September 8 10 AM. The T-Rex is saying tell Drexel keep the museum open. There’s an RSVP QR code and then the logos of Philly Science Action Skype scientist In Philly on the bottom.

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Michael Wong @miquai.bsky.social · 02/09/2026

carnegiescience.edu

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Michael Wong @miquai.bsky.social · 02/09/2026

I’ll be handing out these new Strange New Worlds stickers at @carnegiescience.bsky.social’s “Science of Star Trek” #NeighborhoodLecture next week! Hope to see you there! (If you’re confused about why there’s a dinosaur, go watch the latest season of Star Trek!)

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The Art of Planetary Science @artofptys.bsky.social · 31/08/2026

TAPS is now on Bluesky! We are excited to announce that TAPS is back for 2027! Submissions are open now. TAPS 2027 will feature both data art and fine art with this year’s theme being “As We Float on By: 50 Golden Years of Voyager”

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Dr. Laci Brock 🪐 @stellerarts.com · 01/09/2026

Calling space artists of all ages and skill level. Consider submitting to TAPS, it is free! The show is run by amazing grad student volunteers. The show is held in Tucson, so I will be submitting and attending again. 🐡🔭🧪

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ESA Space Science @science.esa.int · 27/08/2026

BepiColombo is almost arriving at Mercury... but first, 👋 MPO and Mio must say farewell to their 'trusty engine' MTM (Mercury Transfer Module) 📺Watch live with us on 3 September, 13:45 CEST 👉 www.esa.int/Enabling_Sup...

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iucounu @iucounu.bsky.social · 18/08/2026

In Star Trek people often complain that replicated food is not as good as naturally produced food, which is weird when replicators are presumably using the same technology as transporters, which can perfectly replicate Spock every time. But is Spock getting less flavoursome over time? In this essay,

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Hourly Cosmos @hourlycosmos.bsky.social · 15/08/2026

Enceladus in the E Ring - From Val Klavans (valklavans.bsky.social) - flic.kr/p/fpHjw2

On July 19, 2013, you waved at Saturn.

The Cassini spacecraft was there to snap a photo of not only us, but the Saturn system.

Here's Cassini's view of Enceladus within Saturn's E ring on that day. (Enceladus is actually forming Saturn's E ring. More details can be found here: Tiny Icy Moon 'Feeds' Giant Saturn Ring)

These images were taken on July 19, 2013 and received on Earth July 20, 2013. The camera was pointing toward SATURN-ERING at approximately 742,417 miles (1,194,805 kilometers) away, and the images were taken using the CL1, RED, BL1 and GRN filters.

Credit: NASA / JPL / SSI / composite by Val Klavans

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Planetary Science Institute @psi.edu · 14/08/2026

This week's #SciArt by PSI co-founder William Hartmann features the Sun, Earth & Moon in an energizing and vibrant view of our little corner of the Solar System. This painting is a featured piece of the William K Hartmann Art Collection at the PSI HQ buff.ly/iOao6Ha

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Don Davis @ddavisspaceart.bsky.social · 15/08/2026

During the recent Total Solar Eclipse the South Korean Danuri spacecraft obtained a nice view of Earth from Lunar orbit with the Moons shadow just visible on Earth. Here is their image, with attribution added, my colorized version and the nearly simultaneous EPIC-DSCOVR image used for the color.

This is a reduced version of the photo released today by the Korea Aerospace Research Institute. Earth is seen from Lunar orbit during the recent Total Solar eclipse. The Moon is barely showing shadows behind the sunlit surfaces, and the shadow of the Moon itself is just at the horizon, or perhaps 'Limb' better suits an orbital view. One very wide shadow shows a fuzzy edge on a distant rise. I added the attribution.

This is my version of the Danuri Lunar orbiter photo, with color added. I combined their Earth photo with a color EPIC-DSCOVR image made at about the same time, rotated a little in 3D to better match the Danuri viewing angle for compositing. The sharpness of the B&W original is preserved with the DSCOVR full Earth photo mostly used for the color values. I also prefer this orientation with the foreground Moon at the bottom.

This is the EPIC (Earth Polychromatic Imaging Camera) image from the DSCOVR satellite made at close to the same time as the Danuri image, shown in reduced form but otherwise as released.
The exposure is naturally for the sunlit Earth and clouds. The Moon shadow's wide peripheral zone of gradual darkening, the 'penumbra' is where the illumination decreases as more of the Sun is eclipsed. At this time the outermost shadow area was near the Great Lakes, from this perspective a circular zone of that radius thus surrounds the progressively underexposed zone around the Moon shadow. If the exposure were adjusted to define the actual umbra, or zone of totality, the resulting small black dot in the image , about 30 percent the size of the underexposed portion seen here, would be surrounded by the greatly overexposed fully sunlit rest of the world.

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James Tuttle Keane @jtuttlekeane.bsky.social · 06/08/2026

An amazing example of shadowing and albedo on the Moon

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James Tuttle Keane @jtuttlekeane.bsky.social · 06/08/2026

Stephanie Menten—there are some unusual pits and troughs on the satellites of the ice giants. Could thermal erosion—where (cryo)lava flows melt the substrate and leave a depression—be responsible? Modeling works for Triton; less so for Ariel, where tectonics may be required. #AOGS2026

A photograph of my notebook showing a sketch summary of Stephanie Menten’s talk at AOGS. Most of the sketch is summarizing how thermal erosion works with a series of cross sections. Top: a lava flow (in red) erupts on the surface and flows right. Middle: as the lava flows, the turbulent hot lava warms and melts the substrate. Bottom: as the melt cools, it can sink into the eroded depression left from the melting. The result is a pit or trough in the middle of the flow. Beneath this are some simple sketches of Uranus’s moon, Ariel, and Neptune’s moon, Triton. Both exhibit pits. Their modeling suggests this process may be effective on Triton, but less so on Ariel (where tectonics might need to help).

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James Tuttle Keane @jtuttlekeane.bsky.social · 06/08/2026

Christos Ntinos—Developing a new “super resolution” Cassini VIMS map of Enceladus. The map can provide insight about physical properties (grain size, crystallinity, etc.) which are useful for both science and future exploration—like the ESA L4 mission concept. #AOGS2026

A photograph of my notebook showing a sketch of Christos Ntinos’s talk at AOGS 2026. The sketch shows a render of Saturn’s moon Enceladus, with the Cassini spacecraft, flying by an imaging the surface with its hyper spectral VIMS instrument. The beam coming from Cassini is shown as a rainbow scanning the surface. On the left-hand side of insults, I’ve shown a false color version of the analysis which shows some interesting patterns associated with the tiger stripes. Beneath the render of Enceladus is a artist concept for the future ESA L4 mission that might one-day land on the surface. Here, I show it with the southern hemisphere of Saturn, peeking over the horizon, and interrupting Tiger stripe with jets coming out of it over to the right.

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James Tuttle Keane @jtuttlekeane.bsky.social · 05/08/2026

Shuang Yang—Chang’e 7 will land near the Moon’s south pole Shackleton crater later this year and deploy (via tether) a seismometer that is planned to survive for 8 years. This might be the first node of a long-lived *international* geophysical network! #AOGS2026

A photograph of my notebook showing a sketch of Shuang Yang (Chinese Academy of Science) talk at AOGS. It shows a low, oblique shot of the Chang’e 7 lander, landed on the Moon, as it lowers its seismometers (SP + VBB) to the surface of the Moon from the bottom of the lander. The seismometer will survive up to 8 years through use of an RHU.

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James Tuttle Keane @jtuttlekeane.bsky.social · 05/08/2026

Ralph Lorenz—Huygens showed that Titan can be wet, even at low latitudes. As Dragonfly flies across Titan, the odds it’ll land in mud are low (<1%), and if so, the stickiness will be again to sticky wheat dough (and Dragonfly could still takeoff). #AOGS2026

A photograph of a sketch in my notebook summarizing Ralph Lorenz’s talk at AOGS2026. The pen and pencil sketch shows two spacecraft on the surface of Titan: Huygens and Dragonfly (loosely to scale). The two grey spacecraft sit on a rock littered orange surface with a yellow hazy sky behind them. Next to Hogan’s, I have a zoom in the regular showing how the acoustic sensor suggested that the soil was damp, with liquid sweating out of it. On the right, I show a little insect of some reel, analog dunes, which very rarely can have intradune lakes form in particular particularly rainy seasons. Situations such as this are predicted to be very rare for Titan, but the Dragonfly mission is planned to handle it.

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Don Davis @ddavisspaceart.bsky.social · 03/08/2026

51 years ago I painted a trio of Viking related works for NASA HQ including the widely reproduced one of the landing on Mars. I have reimagined the Landing portrayal in updated form using digital methods of visualization and painting. I chose the same angle but with reality replacing anticipation.

This oil painting portrays the Viking 1 landing on Mars, which appeared in countless publications. The story of this work is relayed in an earlier post and is shown here for comparison with the new portrayal of this very view, showing the event as it would have appeared.
This 1975 anticipatory painting was done with oils on a gesso smoothed 16 X 20 canvas panel, using traditional art methods including a tracing paper guide featured earlier.
This work shows in retrospect my ideal of the 'spirit of space art', showing something of a summary of what is known of the subject while conveying what it is about the subject's known or theorized attributes that I find visually compelling. The new digital painting updates that visual impression with one based on our current knowledge. The new digital work was also done at the same size as this one was for possible printing purposes, 16 by 20 inches at 300 DPI.
#Sciart

In 1976 the pair of Viking spacecraft orbiter/lander combos were sent to Mars. Before Viking, Mars was still largely a place of our imaginations, an unknown that we wrote stories about then studied from Earth and space. The dominance of cratered terrain on the portions of Mars photographed by Mariners 4, 6 and 7 gave an initially Lunar impression of that world, which changed during the development of the Viking lander after Mariner 9 revealed the planet.
The first landing was aimed for a flat flood plain, judged as a decent place to search for life. The landing date was July 4, however the intended site appeared too rough for comfort in the high quality orbiter photos, causing the landing to wisely be delayed. A smoother site further 'down stream' was found using photo and radar data.
The landing proceeded quite nominally, a magnificent achievement that apparently accounted for what it had to and made it the first time.

The first photo from the surface was a look at a footpad to see how solid the 'footing' appeared. Then a moderate resolution panorama of the surroundings was obtained, first showing the rocks, hills, dunes-and bright sky. The latter was my biggest surprise as a space artist.

The adjustments to the color balance of the later photos were gradually narrowed down. The ubiquitous dust is planet wide, suspended in the air and coloring the sky a luminous tan ochre.

This digital painting shows the view a meter above the surface seeing the lander briefly kicking up dust less than a second before touchdown with the footpads 1.4 meters high. The landing rockets were designed with many nozzles to disturb the surroundings as little as possible. The nearby disturbed dust resembles in color that of the sky. We are 6 meters away from the center of the lander. field of view is 60 degrees, we are looking Northwest with the Sun and Earth off the frame to the left.

This is a digital art update of the pre mission oil painting I did for NASA HQ 1n 1975.

#Sciart

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Casey Dreier @caseydreier.bsky.social · 01/08/2026

This is why I believe using Endurance-A's science goals are so important to consider in this study. If NASA wants to send a mission to the surface, and it consumes nuclear stockpiles, then let's make sure the science is worth the cost.

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SpaceNews @spacenewsinc.bsky.social · 31/07/2026

Sending repurposed Mars rover to the moon could cost more than $1 billion Converting an engineering model of a Mars rover into an actual lunar rover could cost NASA more than $1 billion, an estimate strongly rejected by the agency’s administrator....

spacenews.com

Sending repurposed Mars rover to the moon could cost more than $1 billion

Converting an engineering model of a Mars rover into an actual lunar rover could cost NASA more than $1 billion, an estimate strongly rejected by the agency’s administrator.

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Hourly Cosmos @hourlycosmos.bsky.social · 31/07/2026

2015-353 Enceladus Random IR-GRN-UV -- B - From Ian Regan - flic.kr/p/NSuAMK

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James Tuttle Keane @jtuttlekeane.bsky.social · 30/07/2026

Episode 1 is of my friend’s new documentary about Pangea is out now on YouTube! youtu.be/RY8mipBWjyw?...

youtu.be

How the Formation of Pangea Changed the World

YouTube video by PBS Eons

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Riding With Robots @ridingrobots.bsky.social · 26/07/2026

One of NASA's twin Mars-bound ESCAPADE spacecraft captured Earth and the Moon from 363K miles (584K km) away. In visible light, both appear as slim crescents. But switch to thermal infrared and it’s a different picture... 1/2

Against black space, Earth appears at left as a thin white-green crescent lit along its right edge. The Moon, slightly smaller and dimmer, sits at upper right as a matching tan crescent lit on the same side. Only a sliver of each world catches sunlight; the rest of both disks is lost in darkness.

In infrared, Earth glows with heat represented by warm colors, while the Moon remains mostly dark.

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James Tuttle Keane @jtuttlekeane.bsky.social · 25/07/2026

Hey #SDCC! You like geology and paleontology? Come see my friend @paleoparadox.bsky.social in their brand new PBS documentary about Pangea! Free premiere tomorrow (Saturday) at 10AM and 11AM. 🌋⚒️ digitalgym.org/movies/eons-...

The cover art for “Eons: Life and Death on Pangea.” The title is in a large white font across the poster, with an ancient creature and erupting volcano in the background.

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Don Davis @ddavisspaceart.bsky.social · 21/07/2026

Here are the other two NASA HQ paintings I did of the Viking Mission. The Orbiter releasing the insulation covered Lander container 'aeroshell' with Mars in the background has best stood the test of time. #Sciart

The Viking Orbiter releases the encapsulated Lander near the high point of the spacecraft orbit. Mars was oriented as it would have appeared at the time of Lander release based on related documents. The Martian features are based on maps compiled from mariner 9 images. Albedo details were then still poorly mapped, with Mariners 6 and 7 far encounter photos still profitably used for reference. As usual, the star background was shown as it should have appeared at that time at least as of the time the painting was made, over a year before the landing. Whenever possible I like to use photos of the actual flight hardware as reference, as I was able to do in this case.

#Sciart

The lander, still encased in the now stripped bare Aeroshell, fires a mortar that pulls out the parachute. We are 6 km (3.7 miles) high overlooking the more distinctive features South of the landing site, portrayed in perspective from Mariner 9 derived references. Great channels were cut into the ancient cratered terrain, widening and merging downstream into a relatively smooth flood plain where the lander was initially targeted. This was found to be too rough looking when examined with the Viking orbiter camera, so the July 4 landing date was pushed back while places further 'downstream' were examined. An acceptably smooth looking region was chosen, whose scattered craters and occasional 'wrinkle ridges' gave a more at least superficially Lunar Maria like impression. After some Parachute braking the lander was released, using its descent rockets for the last 1.5 km, or nearly a mile.

#Sciart

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Don Davis @ddavisspaceart.bsky.social · 20/07/2026

I will show my Viking related art in a slow trickle over the next few days, as there is a fair amount of it and a new one is coming. This is a pre mission oil painting done for then USGS Astrogeology branch chief Jack McCauley, based on his anticipations of how the landing site could appear.

This mid 70s oil painting attempts to summarize a leading Astrogeologist's idea of what the surface of Mars in the general intended landing zone on a wide flood plain might look like. Jack McCauley familiarized me with his work in the coastal deserts of Peru and photos of the Dry Valleys of Antarctica, places where likely Mars like surface features could most be seen on Earth. Streamlined 'gravel bars' preserve an ancient wash, with blowing dust filling some of the deeper winding channels. Small impact craters continued to form since the climate dried up. The dark sky suggests the anticipated visual appearance at the known atmospheric density, of course not accounting tor the eternal dust pall that actually ended up brightening the daytime sky. The lander was based on photos of models available at the time.

#Sciart

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ESA Space Science @science.esa.int · 16/07/2026

Getting there 🛰️ After an eight-year journey through the inner Solar System, the ESA/JAXA BepiColombo mission will arrive at Mercury later this year. The arrival happens in stages. Here's what to expect 👇 🔭 🧪 #MercuryArrival

An infographic showing the different stages of BepiColombo's arrival at Mercury. Each step shows the configuration of the different spacecraft as they separate from one another, depicted as simplified grey drawings on a dark blue background. A vertical line connects the image for each step to the corresponding date and description at the bottom. An image of Mercury lies on the right edge of the infographic.

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Nick Stevens @nick-stevens.com · 11/07/2026

Lunar View, after Lucien Rudaux. The original lighting made the central peak pitch black, as it was completely backlit, so I moved the Sun to one side. The Earth is unrealistically large. Terrain in #Gaea, everything else in #Lightwave3d

Lucien Rudaux art, showing Earth and Sun above a lunar crater peak.

My take on the scene, lit more from the side, with a central oversized Earth.

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Elizabeth Tasker @elizabethtasker.bsky.social · 06/07/2026

The English press release with the first images of asteroid Torifune captured by the Hayabusa2 spacecraft is now live! (I translated, the ISAS PR lead checked it while practically running from the press conference, and someone at JAXA HQ stayed late enough to upload 😆 HIGH-FIVES ALL AROUND!)

global.jaxa.jp

JAXA | Hayabusa2 captures images of asteroid Torifune

Get information on the Hayabusa2 captures images of asteroid Torifune. The Japan Aerospace Exploration Agency (JAXA) performs various activities related to aerospace as an organization, from basic res...

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Andrew Jones @andrewjonesspace.bsky.social · 06/07/2026

And another new asteroid! Here's Torifune, captured during yesterday's flyby by Hayabusa2. www.jaxa.jp/press/2026/0...

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Michael Busch @michael-w-busch.bsky.social · 06/07/2026

That is not a normal rubble pile. Hmm...

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Element115Art @element115.bsky.social · 02/07/2026

Project UPWARD mapping the moon. This was a joint NRO / NASA plan to send an Apollo capsule to photograph lunar landing sites using a modified recon satellite.

Two squares of lunar terrain with a spaceship over it.

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Paul Voosen @voosen.me · 30/06/2026

This "Promise" pitch/floater will be a good test for the space press who primarily focus on human spaceflight. Talk to planetary scientists. Where's that RTG gonna come from (and take away from)? How in the world do they think it would actually be flight operable?

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Marshall @captain-exoplanet.bsky.social · 28/06/2026

June 27, 2006: I graduate from Astronomy Camp at the University of Arizona after a visit to the then-incomplete Large Binocular Telescope June 27, 2026: I obtain the first light spectrum on the iLocater spectrograph, one of the second generation of LBT instruments 🔭🪐 #exoplanets

A slightly dark and grainy photograph of a teenager with long dark hair accepting a graduation certificate and poster from a white-haired man. Both are wearing white "Astronomy Camp 2006" t-shirts. They are standing at the front of a classroom which is filled with other people, many in the same t-shirts.

A selfie of a smiling bearded white man wearing a "The Ohio State University Department of Astronomy" hoodie. He is standing in front of a giant telescope, much larger than a house, a huge frame of red and silver metal with a giant circular mirror visible at right.

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Will Burrows 🖖🥖🥀 @reforest-kelley.bsky.social · 29/06/2026

Just a couple of days left!

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Kevin T. Trinh @icymoonskevin.bsky.social · 26/06/2026

My soul frowns whenever I see an AI-generated figure in a science.

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Emily Lakdawalla 🏳️‍⚧️ Uranus Expert @elakdawalla.bsky.social · 21/06/2026

Hi everybody, I organized the #Artemis2 photos for you. Index pages containing all ~10,000 images in chronological order with time stamps and focal lengths, color coded by which of three cameras was used to shoot them. countlessworlds.com/data/artemis/

countlessworlds.com

Emily's data pages: Artemis

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Alan Baker @aebdigital.bsky.social · 17/06/2026

Show me your sand colour art!

A large rover driving across the sands of Mars.

Salyut-4 space station above the Sahara desert.

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ESA Space Science @science.esa.int · 16/06/2026

Thrusters off 🔴 BepiColombo has switched off its solar electric propulsion as the trio Bepi, Mio and MTM draw closer to Mercury. Meanwhile, on the ground, teams across ESA, JAXA and industry are rehearsing the next critical step for these space adventurers: arriving at Mercury. Stay tuned! 🔭 🧪

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Element115Art @element115.bsky.social · 13/06/2026

👉 if you look though my renders you won't find any SpaceX stuff because I've never simped for billionaires / trillionaires 👉

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Element115Art @element115.bsky.social · 09/06/2026

Apollo Applications Program Micrometeorite Collector, one of the many unflown concepts from the program. The petals would have folded around the central truss to fit inside the top of the S-IVB. #spaceart #alternatehistory

A flower-like spacecraft over the blue haze of the atmosphere.

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Emily Lakdawalla 🏳️‍⚧️ Uranus Expert @elakdawalla.bsky.social · 09/06/2026

Dear anybody who works at an institition with a good science library: can you please please invite me to have some kind of research visitor electronic library access. A good friend once did this for me through Caltech but it was only allowed for two years and that was a while ago

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ACLU @aclu.org · 07/06/2026

There are currently more bills attacking trans youth’s right to play sports across the U.S. than there are trans youth in school sports.

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James Tuttle Keane @jtuttlekeane.bsky.social · 07/06/2026

Had a wonderful afternoon yesterday with Aaron at the Cabrillo Aquarium for #SeaCon2026 and @cosplayforscience.bsky.social

Selfie of me and Aaron at the Cabrillo aquarium. We’re holding cardboard cutouts of two aquatic Pokémon.

Photo of Aaron holding a big cardboard cutout of a Mega Starmie (Pokemon) at the Cabrillo Aquarium. Behind him is some artwork of the museum, plus logos for Cosplay for Science and Sea Con 2026.

Some pink jellyfish, swimming in a void of greenish-blue water in an exhibit at the Cabrillo aquarium.

A photo of the Cosplay for Science banner hanging in front of a tent with tables full of interactive exhibits.

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