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Alex Innanen

@transmartian.bsky.social
1K followers 176 following 114 posts

knitter, gardener, planetary postdoc at York University Head in the (martian) clouds they/them 🏳️‍⚧️🏳️‍🌈 acinnanen.ca/

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Reposted by Alex Innanen
ESA Space Science @science.esa.int · 28/09/2026
A successful Earth flyby improves Juice’s course to Jupiter Earlier today, Juice flew just 8640 km above the Indian Ocean and snapped these images with its onboard monitoring cameras. 1️⃣Africa, by Juice monitoring camera 2️⃣Madagascar, by Juice NavCam 3️⃣Moon, by Juice NavCam 🔭 🧪 #planetsci
Mostly black space, most of Earth visible at the top right of the image. Part of a spacecraft visible on the left.Part of the island of Madagascar in black and white.A crescent Moon, with about a quarter of the Moon showing. Many craters are visible.
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Diana Hayes 🇨🇦🏳️‍⚧️ @dchayes.ca · 22/09/2026
After a competitive procurement process, we have decided to change nothing and continue holding our conference in the location that wants you dead.
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Kevin M. Gill @kevinmgill.bsky.social · 16/09/2026
New postcard from Curiosity using Navcams taken on Sols 5000 & 5003 science.nasa.gov/photojournal...
science.nasa.gov
Curiosity Postcard Celebrates Rover’s 5,000th Day on Mars - NASA Science
While parked at a sand ridge nicknamed “Chocolatal,” NASA’s Curiosity Mars rover used its black-and-white navigation cameras to capture panoramas at two times
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Dr. Adeene Denton @spacewhalerider.com · 08/09/2026
Oh, my H-Index? Well,
A sign that's been edited to read: I don't mean to brag, but my scientific papers are enjoyed by well over 4 people worldwide
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CrossingsCon @crossingscon.bsky.social · 06/09/2026
Space tour? Space tour! youtu.be/ctgOJi6lp08 Follow Alex on Bluesky: bsky.app/profile/tran... #crossingscon #youngwizards #literaryconvention #bookconvention #speculativefiction #scificonvention #fantasyconvention
youtu.be
Solar System Grand Tour | CrossingsCon 2025
YouTube video by CrossingsCon
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Thomas Appéré @thomasappere.bsky.social · 01/09/2026
Nous célébrons aujourd'hui le 5000e jour martien passé par le rover Curiosity dans le cratère Gale 🥳 Voici une mosaïque d'images acquises par sa caméra de navigation au sol 5000.
Mosaïque en noir et blanc d'un paysage martien photographié par le rover Curiosity au sol 5000. Le paysage est vallonné, le sol recouvert de sable et le ciel poussiéreux.
© NASA/JPL-Caltech/MSSS/Thomas Appéré
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Diana Hayes 🇨🇦🏳️‍⚧️ @dchayes.ca · 31/08/2026
Something can be bad because it hurts trans women. The fact that it might hurt some cis women too isn't actually relevant.
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Alex Innanen @transmartian.bsky.social · 28/08/2026
Once again forces have conspired to eat my moon
A photo of a almost-total lunar eclipse: a red moon with a bright white capA photo of the moon with a section in shadowAnother photo of the moon with most of it in shadow
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Cat O'Connell-Cooper @mars-cat.bsky.social · 26/08/2026
NASA’s Curiosity Mars rover marked an elevation gain of 1 km on Aug. 26, 2026. The mosaic image below looks back from the current position in "Valle Grande" toward the floor of Gale Crater, on Aug. 1 and 2, 2026, the 4,972-4973 sols (Martian days) of the mission. science.nasa.gov/mars/curiosi...
science.nasa.gov
Curiosity Reaches 1-Kilometer Elevation Gain - NASA Science
NASA’s Curiosity Mars rover reached the pinnacle — so far — of its 14-year-old mission on Aug. 26, 2026, when it marked an elevation gain of 1 kilometer in
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Alex Innanen @transmartian.bsky.social · 17/08/2026
Okay small thread about my Jack of all trades adventure bc I like hearing abt how ppl find things out but it didnt really work in the post itself. This is really just me doing a Queer as Favt-style bibliography section, and probably best enjoyed after reading the blog post. 1/7
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John E Moores @arcticsaxifrage.bsky.social · 17/08/2026
This week, new PVL Postdoc @transmartian.bsky.social talks about studying widely (as opposed to narrowly) in planetary science. Make sure to read through to the bottom for a deep dive into the saying "A jack of all trades is a master of none..." york-pvl.blogspot.com/2026/08/jack...
york-pvl.blogspot.com
Jack of All Trades, Doctor of Some
This week, our newly minted Doctor Innanen presents an essay in defence of the generalist. Once upon a time, all scientists were generalists...
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Cat O'Connell-Cooper @mars-cat.bsky.social · 15/07/2026
Curiosity Blog, Sols 4947-4953: Gale Crater Then and Now Written by Alex Innanen, Atmospheric Scientist at York University, Toronto @transmartian.bsky.social Earth planning date: Friday, July 10, 2026 science.nasa.gov/blog/curiosi...
science.nasa.gov
Curiosity Blog, Sols 4947-4953: Gale Crater Then and Now - NASA Science
Written by Alex Innanen, Atmospheric Scientist at York University, Toronto
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Gender Census @gendercensus.bsky.social · 13/07/2026
The 13th annual international Gender Census 2026 is now open until at least 13th August 2026! survey.gendercensus.com It's for anyone whose gender (or lack thereof) isn't described by the M/F binary. It's short and easy, and results are useful in academia, business and self-advocacy. #LGBTQ
Promotional image. Title: Gender Census 2026. Text: If you can't easily put yourself into just one of these two boxes, you are invited to take part. Images: On the left, a box with a Venus/female symbol on it, patterned with tree bark. On the right, a box with a Mars/male symbol on it, patterned with grass.
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HiRISE Beautiful Mars (NASA) @uahirise.bsky.social · 11/07/2026
HiPOD: The Ever-Changing Swiss Cheese of Mars HiRISE monitors many areas of the cap to study these changes. When we study changes, we align the images with features that haven’t changed, but here, nearly everything is different! uahirise.org/hipod/ESP_074829_0945 #Mars #science #NASA
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Alex Innanen @transmartian.bsky.social · 01/07/2026
The benefits of living in a 50+ year old building are countless, but the greatest is surely having the fire alarm go off three times in less than 12 hours, the first two of which were around 1 AM
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Alex Innanen @transmartian.bsky.social · 17/06/2026
Office flowers 💐
Two pink cherry blossoms in a small beaker on a deskThree daisies with purple phlox in a small beaker on a deskTwo daisies and a sprig of white japanese lilac in a small beaker on a deskA sprig of purple vetch in a small beaker on a desk
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Alex Innanen @transmartian.bsky.social · 21/05/2026
🏳️‍⚧️🌙
a photo of the crescent moon behind pink clouds in a pale blue sky
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The Onion @theonion.com · 19/05/2026
NASA Announces Rover Has Found Beauty In The Mundane On Mars
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Kevin M. Gill @kevinmgill.bsky.social · 15/05/2026
Beautiful crescent view of Mars as Psyche continues it's approach for tomorrow's flyby. flic.kr/p/2sd9f6a
A crescent view of the planet Mars.

NASA/JPL-Caltech/ASU/Kevin M. Gill
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Alex Innanen @transmartian.bsky.social · 07/05/2026
Probably says something that my immediate reaction was not to be concerned but just to kind of roll my eyes and go 'ah, I guess the university wifi is acting up again'
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Alex Innanen @transmartian.bsky.social · 04/05/2026
If you want to ease into #EGU26 by hearing about sparkly lights and the science we can do with them, you can join me at 11:10 CEST this morning in room 0.94/95 to hear about using simple lasers to probe near-surface aerosols Abstract: meetingorganizer.copernicus.org/EGU26/EGU26-...
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Doug Ellison @dougellison.bsky.social · 03/05/2026
Rock off. 🤘
A square black and white fisheye camera view of Mars.   A dark patch from where a rock got picked up, and a broken up rock from where it dropped off a drill visible at the top of frame.
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Landru79 @landru79.bsky.social · 01/05/2026
Un recopilatorio hasta hoy de los devenires de nuestra nueva amiga #NASA's #Mars rover #Curiosity 2026-04-17 >> 2026-04-30 Sol 4868-Sol 4881: Front Hazard Avoidance Camera (Front Hazcam) mars.nasa.gov/raw_images/1... NASA/JPL-Caltech/j. Roger
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Alex Innanen @transmartian.bsky.social · 29/04/2026
Tim's limited edition contact binary timbit
A photo of me holding two timbits stuck to each other
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Paul Byrne @theplanetaryguy.com · 07/04/2026
HOLY SHIT
The Moon! The Sun's corona! A crewed spacecraft! Oh my!
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NASA | ESA Space Updates @nasaupdates.bsky.social · 07/04/2026
#Artemis II - Photo 2 from yesterdays flyby ECLIPSE. April 6, 2026. Totality, beyond Earth. From lunar orbit, the Moon eclipses the Sun, revealing a view few in human history have ever witnessed. Photo: NASA 🚀🌕🌑
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NASA | ESA Space Updates @nasaupdates.bsky.social · 07/04/2026
#Artemis II - We have the first image from yesterdays Lunar flyby captured by the crew on Orion EARTHSET. April 6, 2026. Humanity, from the other side. First photo from the far side of the Moon. Captured from Orion as Earth dips beyond the lunar horizon. 🚀🌕🌍
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Kevin M. Gill @kevinmgill.bsky.social · 07/04/2026
Pre-flyby view of the Orion spacecraft window from the Artemis II crew. flic.kr/p/2s68SXB
The Moon seen through a window. Knobs and techy shit seen around the window.

NASA/Artemis II/Kevin M. Gill
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Martian Clouds Daily @martianclouds.bsky.social · 21/03/2026
This Zenith Movie was taken on Sol 1957 (2018-02-06) at approximately 7:09 LTST and a solar longitude of 125.8°.
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Katie Mack @astrokatie.com · 10/03/2026
update from suddenly very noisy Ontario
The "Somehow, Palpatine returned..." meme from The Rise of Skywalker except instead of saying "Palpatine" he's saying "the geese"
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Alex Innanen @transmartian.bsky.social · 09/03/2026
Very nice halo keeping me company on my morning walk
A 22 degree halo going about three quarters of the way around the sun against milky white clouds. The sun is covered in part by a streetlight
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John E Moores @arcticsaxifrage.bsky.social · 28/02/2026
This week, PhD Student @dchayes.ca sheds some light on how we talk to spacecraft on and around other planets: york-pvl.blogspot.com/2026/02/talk... The situation on the red planet is particularly complex and therefore particularly interesting! Like any infrastructure, maintenance is critical
york-pvl.blogspot.com
Talking to Mars
This week, PhD student Diana Hayes takes a look at how we communicate with spacecraft dispersed throughout the solar system. Given the numbe...
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Diana Hayes 🇨🇦🏳️‍⚧️ @dchayes.ca · 08/02/2026
For many years, researchers were unable to independently verify the alleged existence of Line 5 Eglinton.
A photo taken out the back window of an Eglinton LRT train stopped at Mount Dennis Station. In the foreground is a cool-toned seat, while just out the window is the other train in the two-car set. There is a crowd of people stood on the station platform.A photo of a TTC paper transfer. It's a small, black and white piece of paper, with the time issue listed as 3:17 PM, and the day as 039, February 8, 2026. At the bottom of the transfer, it states "Not valid at: Mt. Dennis Station."
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ComSciConCAN @comsciconcan.bsky.social · 08/02/2026
Join us June 19–21, 2026 for #ComSciConCAN 2026! 🚨 at U of Waterloo for a 3-day conference dedicated to taking your science communication skills to the next level. 💡 Application deadline EXTENDED to February 16, 2026 at 11:59 PM EST! bit.ly/CSCC2026_App #SciComm #GradLife #STEMCanada #CSCC2026
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Daniel Pomarède @pomarede.bsky.social · 05/02/2026
Curiosity Blog, Sols 4788-4797: Welcome Back from Conjunction by Alex Innanen @transmartian.bsky.social, Atmospheric Scientist at York University, Toronto science.nasa.gov/blog/curiosi... #Mars 🧪🔭
science.nasa.gov
Curiosity Blog, Sols 4788-4797: Welcome Back from Conjunction - NASA Science
Written by Alex Innanen, Atmospheric Scientist at York University, Toronto
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Abigail Fraeman @abbyfrae.bsky.social · 28/01/2026
Still on Mars with Curiosity. Still doing awesome science. Love this recent "MAHLI after dark" image we acquired last month of our drill in the super cool boxwork region: science.nasa.gov/resource/cur...
science.nasa.gov
Curiosity Lights Up ‘Nevado Sajama’ at Night - NASA Science
NASA’s Curiosity Mars rover used LED lights on the end of its robotic arm to create this rare nighttime view of the Red Planet’s surface on
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Alex Innanen @transmartian.bsky.social · 25/01/2026
Not the most pleasant day to go to the store only to find it's been unexpectedly closed, but at least there was some fun snow lifting
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ComSciConCAN @comsciconcan.bsky.social · 21/01/2026
🚨 Applications are open for #ComSciConCAN 2026! 📍 June 19–21, 2026 | University of Waterloo A 3-day conference for grad students to level up their science communication skills. Since 2013, ComSciCon has trained 2000+ scientists! 🗓️ Apply by Feb 9, 2026 (11:59 PM EST) 💡
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Alex Innanen @transmartian.bsky.social · 20/01/2026
Gradient Appreciators Committee
A photo looking over city lights. The sky is a pretty gradient from orange to teal-y blue, and there's a thin crescent moon with a little bit of earthshine.
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Hourly Cosmos @hourlycosmos.bsky.social · 07/01/2026
Carbon dioxide clouds over Mont Mercou, Curiosity Sol 3063 - From Simeon Schmauß (stim3on.bsky.social) - flic.kr/p/2oUgFwL
The Curiosity Mars rover photographed these feathery carbon dioxide clouds on Sol 3063 over an outcrop named Mont Mercou. The clouds were much higher than is typical for Mars. 
www.jpl.nasa.gov/news/nasas-curiosity-rover-captures-shin...

Panorama assembled from 21 individual Mastcam images.
The colors of this image were calibrated to match human perception.

Credit: NASA/JPL-Caltech/MSSS/Simeon Schmauß
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Diana Hayes 🇨🇦🏳️‍⚧️ @dchayes.ca · 01/01/2026
2025 ==> 2026 as seen by the York Observatory all-sky camera.
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Doug Ellison @dougellison.bsky.social · 31/12/2025
Kudos to our project scientist who helps advocate for these every ~year when I think the view might work and we've got a little bit of energy and time spare in a plan. Doing the science on the day to day is important. Taking a moment now and again to do something just for art is important as well.
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Alex Innanen @transmartian.bsky.social · 30/12/2025
Love to visit the Toronto Zoo to see all my best friends
A photo of a snow leopard looking into the distanceA photo of a young orangutan and its mother sitting together A photo of a blue SRT train in the snowA photo of a polar bear climbing snow-covered rocks
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Alex Innanen @transmartian.bsky.social · 23/12/2025
Yesterday, we had our last planning day with Curiosity for almost a month before she takes an extended holiday behind the sun science.nasa.gov/blog/curiosi... #PlanetaryScience
science.nasa.gov
Curiosity Blog, Sols 4750-4762: See You on the Other Side of the Sun - NASA Science
Written by Lucy Thompson, Planetary Scientist and APXS team member, University of New Brunswick, Canada
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John E Moores @arcticsaxifrage.bsky.social · 18/12/2025
In the final blog post of 2025, @transmartian.bsky.social reflects on their writing journey as a graduate student. york-pvl.blogspot.com/2025/12/inse... This is a key skill: it's not science until it has been shared!
york-pvl.blogspot.com
[Insert Title Here]
Writing is a key part of being a researcher of any kind. It's not enough to do the work, take the data or make the discovery. It's not scien...
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Alex Innanen @transmartian.bsky.social · 18/12/2025
Postcards from PVL (by @dchayes.ca and I)
A photograph of two hand drawn postcards on a corkboard. The first is JUICE with Europa and Jupiter drawn in marker. The second is some light clouds above a cliffface on Mars with the Remote Sensing Mast of Curiosity in the foreground, drawn in pencil crayon.
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Michael Battalio @battalio.com · 15/12/2025
Proud to see the first paper (out in @agu.org JGRPlanets) from Dr. Campbell, the postdoc @sguzewich.bsky.social and I mentor. She did a spectacular job explaining the source of the odd dust activity (called the B-storm) during Mars's SH summer. #planetaryscience #Mars 🪐🧪🔭 doi.org/10.1029/2025...
Geographic locations of dust storm instances for the B‐storm season in MY30 from the MDAD. Each instance is outlined separately for each MARCI swath and shaded by solar longitude. The background image is a composite MARCI swath generated from the median of all swaths between Ls=255° and Ls=280° in MY30.
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Diana Hayes 🇨🇦🏳️‍⚧️ @dchayes.ca · 06/12/2025
RIP V3cam 2025–2025 😔
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ComSciConCAN @comsciconcan.bsky.social · 05/12/2025
We're so excited to announce the publication of the first issue of our Open Access, peer-reviewed, science communication Journal - The Canadian Journal of Science Communication! 🎉 You can view the issue here: lnkd.in/gQ-DHFwS We hope you enjoy reading as much as we enjoyed preparing the issue!
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Hourly Cosmos @hourlycosmos.bsky.social · 15/11/2025
Iridescent clouds over Gale Crater (enhanced color) - From Simeon Schmauß (stim3on.bsky.social) - flic.kr/p/2qJvryP
This enhanced color panorama was taken by Curiosity's Left Mastcam after sunset on Sol 3724 (27 January, 2023). It shows an iridescent high altitude cloud, likely made from CO2 ices. 

The sun has already set on the ground, but continues to illuminate this cloud which is likely at 60-80km altitude. 
The iridescence (rainbow effect) is caused by diffraction at sub µm ice particles. 

More information: doi.org/10.1029/2024GL111183

This panorama was stitched from 14 MAST_LEFT images from the PDS. The individual images were color calibrated to approximate what the human eye would see. 
The panorama was further enhanced to emphasise cloud structure and subtle color variations. 
See here for an unenhanced variant of the panorama: flic.kr/p/2qJwraX

LMST: Sol-03724M18:52:13
Sun: Az: 276.2 deg, El: -5.9 deg
Rationale: Characterize potentially iridescent ice clouds in twilight

Credit: NASA/JPL-Caltech/MSSS/Simeon Schmauß
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