Meet 3I/ATLAS: The New Interstellar Visitor π
Discover everything about 3I/ATLAS, the larger, older interstellar object approaching Earth, unlike anything we've seen before.

Astrum
3.0M views β’ Jul 28, 2025

About this video
A new visitor from beyond our solar system is hurtling towards us. Larger and older than βOumuamua, it's unlike anything we've seen before. This massive, fast-moving comet, named 3I/ATLAS, is the third interstellar object ever detected and promises to reveal new secrets about the cosmos. In this video, we explore what makes this celestial traveler so unique and what mysteries it might unlock as it makes its close approach to the Sun.
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References:
"Asteroid Terrestrial-impact Last Alert System", via fallingstar.com https://astrumspace.info/ATLAS
"Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS", via arxiv.org https://astrumspace.info/3IATLAS
"Minor Planet Center (MPC)", via iau.org https://astrumspace.info/MinorPlanetCentre
"Rare find: interstellar visitor seen blazing through our Solar System", via nature.com https://astrumspace.info/rarefind
"NASA Discovers Interstellar Comet Moving Through Solar System", via nasa.gov https://astrumspace.info/interstellarcomet
"About LCO", via lco.global https://astrumspace.info/LasCumbres
"MPEC 2025-N12 : 3I/ATLAS = C/2025 N1 (ATLAS)", via minorplanetcentre.net https://astrumspace.info/C2025N1
"Visible and near-infrared observations of interstellar comet 2I/Borisov with the 10.4-m GTC and the 3.6-m TNG telescopes", via academic.oup.com https://astrumspace.info/Borisov
"'Oumuamua", via nasa.gov https://astrumspace.info/Oumuamua
"Interstellar Objects", via arxiv.org https://astrumspace.info/interstellarobjects
"The Kinematic Age of 3I/ATLAS and its Implications for Early Planet Formation", via arxiv.org https://astrumspace.info/3IATLASage
"Horizons System", via nasa.gov https://astrumspace.info/HorizonsApp
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Credits:
Writer: Edie Abrahams
Video Editor: Suhith
Researcher: Edie Abrahams
Script Editor: Damaris McColgan
Thumbnail Designer: Peter Sheppard
Channel Manager: Georgina Brenner
Executive Producer: Raquel Taylor
Creator of Astrum: Alex McColgan
With special thanks to:
NASA/ESO/ESA
#astrum #space #3IATLAS #Oumuamua
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Astrum's newsletter has launched! Want to know what's happening in space?
Sign up here: https://astrumspace.kit.com
ββββββ
Astrum Displate Posters: https://astrumspace.info/Displates
Astrum Infographic Artwork: https://electrify.art/collections/astrum
Astrum Merch: https://astrum-shop.fourthwall.com/
Join us on the Astrum discord: https://discord.gg/TKw8Hpvtv8
A huge thanks to our Patreons who help make these videos possible. Sign-up here to support the channel: https://bit.ly/4aiJZNF
ββββββ
Astrum Podcast on Spotify: https://open.spotify.com/show/6jPRrbq3o3dpvBb173ZTKi?si=a90d3efe3b704c83
Astrum Earth: https://youtube.com/@AstrumEarth
Astrum Extra: https://www.youtube.com/@astrumextra
Astrum Spanish: https://www.youtube.com/@astrumespanol
Astrum Portuguese: https://www.youtube.com/channel/UChn_-OwvV63mr1yeUGvH-BQ
ββββββ
References:
"Asteroid Terrestrial-impact Last Alert System", via fallingstar.com https://astrumspace.info/ATLAS
"Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS", via arxiv.org https://astrumspace.info/3IATLAS
"Minor Planet Center (MPC)", via iau.org https://astrumspace.info/MinorPlanetCentre
"Rare find: interstellar visitor seen blazing through our Solar System", via nature.com https://astrumspace.info/rarefind
"NASA Discovers Interstellar Comet Moving Through Solar System", via nasa.gov https://astrumspace.info/interstellarcomet
"About LCO", via lco.global https://astrumspace.info/LasCumbres
"MPEC 2025-N12 : 3I/ATLAS = C/2025 N1 (ATLAS)", via minorplanetcentre.net https://astrumspace.info/C2025N1
"Visible and near-infrared observations of interstellar comet 2I/Borisov with the 10.4-m GTC and the 3.6-m TNG telescopes", via academic.oup.com https://astrumspace.info/Borisov
"'Oumuamua", via nasa.gov https://astrumspace.info/Oumuamua
"Interstellar Objects", via arxiv.org https://astrumspace.info/interstellarobjects
"The Kinematic Age of 3I/ATLAS and its Implications for Early Planet Formation", via arxiv.org https://astrumspace.info/3IATLASage
"Horizons System", via nasa.gov https://astrumspace.info/HorizonsApp
ββββββ
Credits:
Writer: Edie Abrahams
Video Editor: Suhith
Researcher: Edie Abrahams
Script Editor: Damaris McColgan
Thumbnail Designer: Peter Sheppard
Channel Manager: Georgina Brenner
Executive Producer: Raquel Taylor
Creator of Astrum: Alex McColgan
With special thanks to:
NASA/ESO/ESA
#astrum #space #3IATLAS #Oumuamua
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Video Information
Views
3.0M
Likes
39.2K
Duration
20:11
Published
Jul 28, 2025
User Reviews
4.7
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