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@cosmos4u@scicomm.xyz
2025-11-19 20:38:18

All the NASA s/c images of #3IATLAS shared today (and some more) can be found at science.nasa.gov/solar-system/ now - including this spectrum from the Imaging Ultraviolet Spectrograph on MAVEN taken on 28 September, showing hydrogen emitted from different sources, namely the comet (dim spot on the far left), hydrogen from Mars (bright emission on the right), and hydrogen flowing through our solar system between the planets (dim emission in the middle).

@cdarwin@c.im
2025-10-01 17:49:00

All eyes on #3I/ATLAS ☄️
Our Mars Express & ExoMars Trace Gas Orbiter will observe the comet around its closest approach to Mars on 3 October 2025, when 3I/ATLAS will be around 30 million km from the red planet.

ESA observations of interstellar comet 3I/ATLAS
The European Space Agency (ESA) reacted promptly to the discovery of comet 3I/ATLAS on 1 July 2025. Soon after they were alerted to its existence by automated detection systems, ESA astronomers began using ground-based telescopes in Hawaii, Chile, and Australia to monitor its progress.Since then, the comet has been observed by space telescopes close to Earth, including the NASA/ESA Hubble Space Telescope and the NASA/ESA/CSA James Webb Space Telescope.In the coming months, ESA will turn interp…

@mpsgoettingen@academiccloud.social
2025-10-30 13:28:14

ESA’s space probe #JUICE is headed towards a truly unexpected encounter: on November 2nd, observations of interstellar object #3IATLAS will begin. Read more about contributions from #mpsgoettingen

JUICE and 3I/ATLAS: An Unexpected Encounter in Space
3I/ATLAS, the third known interstellar object to date, is currently traveling through the Solar System and reached its closest point to the Sun yesterday. In the next days, 3I/ATLAS is barely visible from Earth. ESA's spacecraft JUICE, however, is now launching a dedicated observation campaign. With the help of the JUICE’s scientific instruments, researchers at the Max Planck Institute for Solar System Research (MPS) hope to learn more about the water on 3I/ATLAS.

@cdarwin@c.im
2025-10-30 14:19:39

☄️ Comet #3I/ATLAS is currently making its closest approach to the Sun.
#ESAJuice might catch the best view of this comet in a very active state. Juice will attempt observations in November 2025, with data received on Earth in February 2026
👉

Comet 3I/ATLAS – frequently asked questions
Note that this list is regularly updated as we learn more about comet 3I/ATLAS

@Lach@social.linux.pizza
2025-10-09 21:26:59

#3iatlas
I've read that we can't observe 3I/Atlas from earth because it will be behind the sun, but according to SkyLive it looks like i should be possible to spot it from Norway still at around 1730.
If I had had a telescope, I would have tried(and likely failed).
#3i_atlas

Screenshot from SkyLive showing 3I/Atlas above the horizon and the sun below.
@hippyjo@c.im
2025-09-15 01:37:06

Is 3I Atlas adjusting its course towards Mars?
#3iAtlas #news
youtu.be/_NnccpJLxBk?si=T4X41l