There's an incredibly ancient black hole out there that's challenging astronomers to explain how it could exist only 400 million years after the Big Bang. It's at the heart of a galaxy called GN-z11. Astronomers using JWST ...
Astronomy
Jan 23, 2024
7
40
About 400,000 years after the Big Bang, the cosmos was a very dark place. The glow of the universe's explosive birth had cooled, and space was filled with dense gas —mostly hydrogen—with no sources of light.
Astronomy
Mar 2, 2024
1
77
To celebrate the holiday season, the NASA/ESA Hubble Space Telescope has captured the galaxy known as UGC 8091, which resembles a sparkling festive snow globe. With a dazzling array of wavelengths of light captured by filters ...
Astronomy
Dec 20, 2023
0
75
A galaxy that suddenly stopped forming new stars more than 13 billion years ago has been observed by astronomers.
Astronomy
Mar 6, 2024
0
76
They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most luminous in ...
Astronomy
Jun 8, 2011
12
0
Scientists have found evidence of a catastrophic event they believe was responsible for halting the birth of stars in a galaxy in the early Universe.
Astronomy
Mar 9, 2010
3
0
The universe was simply different when it was younger. Recently astronomers have discovered that complex physics in the young cosmos may have led to the development of supermassive stars, each one containing up to 100,000 ...
Astronomy
Feb 3, 2023
1
160
A team of astronomers, led by Darach Watson, from the University of Copenhagen used the Very Large Telescope's X-shooter instrument along with the Atacama Large Millimeter/submillimeter Array (ALMA) to observe one of the ...
Astronomy
Mar 2, 2015
6
88
A new instrument designed, built and operated by University of Pennsylvania astronomer James Aguirre, with collaborators at the California Institute of Technology, Jet Propulsion Laboratory and University of Colorado, is ...
Astronomy
Dec 14, 2010
0
0
A study published in today's Astrophysical Journal by University of Texas at Austin assistant professor Steven Finkelstein and colleagues reveals that galaxies were more efficient at making stars when the universe was younger. ...
Astronomy
Nov 19, 2015
3
648
