Dr. Raphael Marschall
banner
spacemarschall.net
Dr. Raphael Marschall
@spacemarschall.net
#asteroids #comets #protoplanetarydisks #planetaryScience 🧪🔭🚀🛰️☄️
Science Programme Manager @issibern.ch. Co-I of ESA's Comet Interceptor, collaborator on NASA's Lucy and ESA's Rosetta missions.
www.spaceMarschall.net
(he/him)🇨🇭🇺🇸🇫🇷
Glad you enjoyed it. Yes, that’s a nice idea. If I manage to start planning it early enough we could do more head to heads.
December 30, 2025 at 8:59 PM
If you are looking for some great accounts to follow, this starter pack of great image processors might be for you:
go.bsky.app/PUXRaYf

Also, come join us on the #planetaryScience feed by ❤️ing and 📌ing it: bsky.app/profile/did:...
December 30, 2025 at 5:57 PM
Here is the full bracket of this year's competition. See you in 2026! ✨
December 30, 2025 at 5:53 PM
Get back to the main thread with the links to all voting threads: bsky.app/profile/spac...
📣 Hey folks, it's time to vote on your favourite #planetaryScience image of 2025! 🧪⚛️🚀🛰️☄️🪐🌔

Follow this 🧵 not to miss a vote!

We'll have 4 quarter-finals to determine the semi-finalists, from which we'll decide the finalists and, ultimately, the winner.
December 30, 2025 at 5:44 PM
Here are the full results: blueskypolls.xyz/results.php?...
December 30, 2025 at 5:44 PM
Congratulations also to our runner-up:

✨Gigantic TLE* above Mexico seen from the International Space Station✨
*transient luminous event (Upper-atmospheric lightning/ionospheric lightning)

Taken on: July 3, 2025
Credit: Nichole Ayers / NASA JSC / ESRS / @stim3on.bsky.social
December 30, 2025 at 5:40 PM
The winner of ✨ #planetaryScience image of 2025 ✨ is

✨Uranus as seen by JWST✨
Taken on: October 6, 2025
Credit: NASA/ @esa.int /CSA/ @stsci.edu / @andrealuck.bsky.social

Full resolution: www.flickr.com/photos/19227...

🧪⚛️
December 30, 2025 at 5:37 PM
And the winner, with 63.1% of the vote is 🥁🥁🥁🥁🥁

✨Uranus as seen by JWST✨
Taken on: October 6, 2025
Credit: NASA/ @esa.int /CSA/ @stsci.edu / @andrealuck.bsky.social
December 30, 2025 at 5:32 PM
Here is the thread with the final: bsky.app/profile/spac...

Voting ends on Tuesday, Dec. 30, at 3:00 p.m. UTC/4:00 p.m. CET/10:00 a.m. EST/7:00 a.m. PST/midnight JST.
Final of ✨ #planetaryScience image of 2025 ✨ is here:

Uranus vs. Earth
or
outer vs. inner Solar System

🗳️ The vote link is 3 posts down. Voting ends on Tuesday, Dec. 30, at 3 p.m. UTC/4 p.m. CET/10 a.m. EST/7 a.m. PST/midnight JST. 🧪⚛️
December 29, 2025 at 9:23 PM
If you want to "re-live" the competition from last year then here is the thread for 2024: bsky.app/profile/spac...
📣 Hey folks, It's time to vote on your favorite #planetaryScience image of 2024! 🧪⚛️🚀🛰️☄️🪐🌔

@nickattree.bsky.social, @planettreky.bsky.social, @spacejammie.bsky.social, @asrivkin.bsky.social and helped me select some images. Give them a follow if you aren't already.

Follow this 🧵 to not miss a vote!
December 29, 2025 at 2:16 PM
If you want to go and read a bit more about these "sprites" on Wikipedia (en.wikipedia.org/wiki/Upper-a...) or the video in this post: bsky.app/profile/poma...
December 29, 2025 at 1:59 PM
Indeed, I haven’t quite seen anything like it before.
December 27, 2025 at 2:53 PM