Reposted by James Tuttle KeaneKeck Institute for Space Studies @kiss-caltech.bsky.social · 3hYesterday, KISS hosted an open house for our ever-growing community. To learn about the work that KISS makes possible, watch our introductory video: www.youtube.com/watch?v=PirZ... Study Proposal Concepts are due Oct 30. Visit our website for more: www.kiss.caltech.edu/apply/ 022
Reposted by James Tuttle KeaneRyan J Hollister @phaneritic.bsky.social · 9hSales are live for my scale model volcano tissue box covers! Use GSA26 for 10% off through Saturday. I’ve got some really unique colors in this launch. But more importantly, this batch includes the first ever Mammoth Mountain boxes in both large and small sizes! phaneritic.etsy.com 5259
Reposted by James Tuttle KeaneSarah Tuttle @niais.cryptoanarchy.network · 8hCOULD IT BE THE UNMITIGATED HOMOPHOBIA AND GENDERED VIOLENCE UNDER A FASCIST REGIME? 443126798
Reposted by James Tuttle Keanebarbylon @barbylon.bsky.social · 08/10/2026The Artemis II Lunar Science multimedia page is live! Scroll down to the bottom for links to all of the reports and how to get the lunar science data! 🧪⚒️🔭🌒🚀 science.nasa.gov/feature/arte...science.nasa.govArtemis II Preliminary Lunar Science Report - NASA ScienceWhat did four NASA astronauts see, notice, and document as they traveled around the Moon? Here's your guide to Artemis II Preliminary Lunar Science Report. 0358
Reposted by James Tuttle Keane⭐ ᗰᗩᖇᛕ ᗩ. ǤᗩᖇᒪIᑕᛕ ⭐ @markgarlick.com · 07/10/2026It's #Spacetober day 7, Venus. #SciArt #spaceart Artwork of the Venera 9 spacecraft on the surface of Venus. The Venera probes were a series of ten successful missions sent to Venus by the Soviet Union in the 1970s. Venera 9 was launched on 8 June 1975. 1/2 25813
Reposted by James Tuttle KeaneESA Space Science @science.esa.int · 06/10/2026Bepi and Mio are almost at Mercury, and they would love to hear from you 💌 Send them a #WelcomeToMercury message for a chance to win a trip to ESA's mission control in Darmstadt, Germany, this December. Wish them well 👉 esa.int/WelcomeToMercury 🫶 🔭 25020
Reposted by James Tuttle KeaneTed Pavlic (he/him/his) @tedpavlic.bsky.social · 08/10/2026Cool (or warm) Kilauea #volcano satellite imagery (interferometry). Inferred position of magma wedge are the yellow lines. The blue (red) regions is movement away from (toward) the satellite. Ground "crinkled" to make room for the dike wedging itself up through it around the yellow dashed lines. 🧪 0165
Reposted by James Tuttle KeanePaul Byrne @theplanetaryguy.com · 07/10/2026At today's National Academies CAPS (Committee on Astrobiology and Planetary Sciences), NASA planetary leadership all but confirmed that the agency is no longer providing the VenSAR radar for the @esa.int ESA EnVision mission. This isn't a surprise, but it's still hugely disappointing. (1/2) 27516
James Tuttle Keane @jtuttlekeane.bsky.social · 05/10/2026A few months, I got asked to do something amazing… 🖖 youtu.be/QCOwkvwYmmY?...youtu.beTHOSE WHO LOOK UP: A New Roddenberry Limited Interview SeriesYouTube video by BEAM by Roddenberry 1241
Reposted by James Tuttle KeanePaul Voosen @voosen.me · 28/09/2026New 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.orgNASA’s New Horizons mission may shut down two instruments over lack of fundingDecision risks “incalculable loss” of data from the edge of the Sun’s influence, scientists say 17668412
Reposted by James Tuttle KeaneHourly Cosmos @hourlycosmos.bsky.social · 27/09/2026Portrait: Europa and Jupiter - Composite Image - Nasa’s Juno PJ37 - From Andrea Luck (andrealuck.bsky.social) - flic.kr/p/2mGHAHC 07816
Reposted by James Tuttle KeanePaul Byrne @theplanetaryguy.com · 12/09/2026I 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...) 423046
Reposted by James Tuttle KeaneDr. Adeene Denton @spacewhalerider.com · 07/09/2026Occasionally 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 4705
Reposted by James Tuttle KeaneSarah McAnulty, Ph.D. @sarahmackattack.bsky.social · 05/09/2026Please 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... 9909862
Reposted by James Tuttle KeaneAbigail Fraeman @abbyfrae.bsky.social · 03/09/2026Sharing a terrific article by project scientist Ashwin Vasavada describing a day in the life of Curiosity Mars rover science operations. theconversation.com/mars-rovers-...theconversation.comMars rovers give scientists a ground-level view of the red planet – peek inside their NASA control roomEach day in the control room of the Curiosity rover is jam-packed with important scientific decisions, as a NASA project scientist describes. 04218
Reposted by James Tuttle KeaneMichael Wong @miquai.bsky.social · 02/09/2026Register: carnegiescience.edu/strange-new-...carnegiescience.edu 021
Reposted by James Tuttle KeaneMichael Wong @miquai.bsky.social · 02/09/2026I’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!) 1114
Reposted by James Tuttle KeanePaul Voosen @voosen.me · 01/09/2026Had to accelerate this story, which means I got to dwell on far less termination shock science than I would have liked.science.orgNASA’s New Horizons mission may shut down two instruments over lack of fundingDecision risks “incalculable loss” of data from the edge of the Sun’s influence, scientists say 25632
Reposted by James Tuttle KeaneThe Art of Planetary Science @artofptys.bsky.social · 31/08/2026TAPS 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” 26027
Reposted by James Tuttle KeaneDr. Laci Brock 🪐 @stellerarts.com · 01/09/2026Calling 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. 🐡🔭🧪 15117
Reposted by James Tuttle KeaneESA Space Science @science.esa.int · 27/08/2026BepiColombo 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... 17028
Reposted by James Tuttle Keaneiucounu @iucounu.bsky.social · 18/08/2026In 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, 218104102358
Reposted by James Tuttle KeaneHourly Cosmos @hourlycosmos.bsky.social · 15/08/2026Enceladus in the E Ring - From Val Klavans (valklavans.bsky.social) - flic.kr/p/fpHjw2 012919
Reposted by James Tuttle KeanePlanetary Science Institute @psi.edu · 14/08/2026This 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 1178
Reposted by James Tuttle KeaneDon Davis @ddavisspaceart.bsky.social · 15/08/2026During 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. 114953
James Tuttle Keane @jtuttlekeane.bsky.social · 06/08/2026An amazing example of shadowing and albedo on the Moon 35514
James Tuttle Keane @jtuttlekeane.bsky.social · 06/08/2026Stephanie 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 2456
James Tuttle Keane @jtuttlekeane.bsky.social · 06/08/2026Christos 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 1389
James Tuttle Keane @jtuttlekeane.bsky.social · 05/08/2026Shuang 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 17023
James Tuttle Keane @jtuttlekeane.bsky.social · 05/08/2026Ralph 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 06117
Reposted by James Tuttle KeaneDon Davis @ddavisspaceart.bsky.social · 03/08/202651 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. 723585
Reposted by James Tuttle KeaneCasey Dreier @caseydreier.bsky.social · 01/08/2026This 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. 4172
Reposted by James Tuttle KeaneSpaceNews @spacenewsinc.bsky.social · 31/07/2026Sending 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.comSending repurposed Mars rover to the moon could cost more than $1 billionConverting 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. 2207
Reposted by James Tuttle KeaneHourly Cosmos @hourlycosmos.bsky.social · 31/07/20262015-353 Enceladus Random IR-GRN-UV -- B - From Ian Regan - flic.kr/p/NSuAMK 0899
James Tuttle Keane @jtuttlekeane.bsky.social · 30/07/2026Episode 1 is of my friend’s new documentary about Pangea is out now on YouTube! youtu.be/RY8mipBWjyw?...youtu.beHow the Formation of Pangea Changed the WorldYouTube video by PBS Eons 0101
Reposted by James Tuttle KeaneRiding With Robots @ridingrobots.bsky.social · 26/07/2026One 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 28733
James Tuttle Keane @jtuttlekeane.bsky.social · 25/07/2026Hey #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-... 1267
Reposted by James Tuttle KeaneDon Davis @ddavisspaceart.bsky.social · 21/07/2026Here 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 18427
Reposted by James Tuttle KeaneDon Davis @ddavisspaceart.bsky.social · 20/07/2026I 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. 16523
Reposted by James Tuttle KeaneESA Space Science @science.esa.int · 16/07/2026Getting 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 214833
Reposted by James Tuttle KeaneNick Stevens @nick-stevens.com · 11/07/2026Lunar 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 0227
Reposted by James Tuttle KeaneElizabeth Tasker @elizabethtasker.bsky.social · 06/07/2026The 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.jpJAXA | Hayabusa2 captures images of asteroid TorifuneGet 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... 15018
Reposted by James Tuttle KeaneAndrew Jones @andrewjonesspace.bsky.social · 06/07/2026And another new asteroid! Here's Torifune, captured during yesterday's flyby by Hayabusa2. www.jaxa.jp/press/2026/0... 411142
Reposted by James Tuttle KeaneMichael Busch @michael-w-busch.bsky.social · 06/07/2026That is not a normal rubble pile. Hmm... 4329
James Tuttle Keane @jtuttlekeane.bsky.social · 03/07/2026Haha, maybe in a decade. Director Wong is also nice. Also Captain, Commodore, Admiral… (as long as you’re one of the rare good ones) 010
James Tuttle Keane @jtuttlekeane.bsky.social · 03/07/2026😮 www.usajobs.gov/job/875171500usajobs.govDirector Planetary Science DivisionNASA's Planetary Science Division drives robotic exploration of the solar system-excluding the Sun and Earth-to understand planetary origins, evolution, and the potential for life. Planetary Science D... 2104
Reposted by James Tuttle KeaneElement115Art @element115.bsky.social · 02/07/2026Project 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. 1175
Reposted by James Tuttle KeanePaul Voosen @voosen.me · 30/06/2026This "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? 2198