Recherche par tag: « galaxy »

17 articles trouvés

What happened to the missing stars at the heart of our Milky Way galaxy?
Keith Cooper

18/05/2023 Lecture 4 min

Source de l'article : Space.com
What Happened To The Missing Stars At The Heart Of Our Milky Way Galaxy?
The stellar companions of more than a dozen stars orbiting the supermassive black hole at the center of the galaxy have gone missing — and astronomers want to know why.
Binary Sagittarius A* Hole Twitter Way Galaxy Devin Chu
James Webb Space Telescope finds tiny early galaxy packing big star-forming punch
Keith Cooper

14/04/2023 Lecture 4 min

Source de l'article : Space.com
James Webb Space Telescope Finds Tiny Early Galaxy Packing Big Star-Forming Punch
NASA's James Webb Space Telescope has observed a galaxy in the early universe that could be the progenitor of galaxies such as our own Milky Way.
Jwst Galaxy J2129 Twitter Star Formation Universe
Discovering Extraterrestrials Offers Benefits
Avi Loeb

11/04/2023 Lecture 7 min

Source de l'article : The Debrief
Discovering Extraterrestrials Offers Benefits
In 2010, Stephen Hawking warned that discovering extraterrestrals might pose and existential risk to humanity.
Extraterrestrial Stephen Hawking Oumuamua Exoplanet Way Galaxy Earth
Galaxy cluster spied forming in early universe (photos
Keith Cooper

29/03/2023 Lecture 4 min

Source de l'article : Space.com
Galaxy Cluster Spied Forming In Early Universe (Photos
Hot gas has been detected in a young proto-galaxy cluster in the early universe for the first time, shedding more light on how cluster components come together.
Cluster Galaxy Luca Di Mascolo Twitter Mass Sunyaev-Zeldovich Effect
‘We just discovered the impossible'
Ivo Labbe

22/02/2023 Lecture 6 min

Source de l'article : The Conversation
‘We Just Discovered The Impossible'
The discovery of massive, early galaxies could force scientists to rethink how the first galaxies formed after the Big Bang.
Big Bang Galaxy Jwst Labbe Light Billion