A team of researchers at Universität Heidelberg has built an early universe analog in their laboratory using chilled potassium atoms. In their paper published in the journal Nature, the group describes their simulator and ...
An international research team led by UCLA astrophysicists has confirmed the existence of the faintest galaxy ever seen in the early universe. The galaxy, called JD1, is one of the most distant identified to date, and it ...
Astronomy
Jun 1, 2023
1
1216
As an astronomer, there is no better feeling than achieving "first light" with a new instrument or telescope. It is the culmination of years of preparations and construction of new hardware, which for the first time collects ...
Astronomy
Oct 29, 2019
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232
The universe is full of billions of galaxies—but their distribution across space is far from uniform. Why do we see so much structure in the universe today and how did it all form and grow?
Astronomy
Apr 27, 2020
33
1079
Ultra-massive black holes are the most massive objects in the universe. Their mass can reach millions and billions of solar masses. Supercomputer simulations on Texas Advanced Computing Center (TACC)'s Frontera supercomputer ...
Astronomy
Mar 1, 2023
0
1156
A physicist investigating black holes has found that, in an expanding universe, Einstein's equations require that the rate of the universe's expansion at the event horizon of every black hole must be a constant, the same ...
Using new data from the James Webb Space Telescope, astronomers have measured the abundance of oxygen in the early universe. The findings, accepted for publication in The Astrophysical Journal Supplement Series and posted ...
Astronomy
Nov 9, 2023
1
147
Most everybody is familiar with the Big Bang—the notion that an impossibly hot, dense universe exploded into the one we know today. But what do we know about what came before?
General Physics
Apr 19, 2019
12
227
Nobel physics laureate Roger Penrose on Tuesday said his late colleague Stephen Hawking richly deserved a share of the prize after the British scientists conducted pioneering research into black holes.
General Physics
Oct 6, 2020
3
192
As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier.
General Physics
Sep 11, 2023
12
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