The solar system as we know it formed about 4.6 billion years ago as fields of interstellar dust orbiting the sun aggregated into planets and smaller objects. Presolar dust particles no longer exist in the inner solar system, ...
At the center of a galaxy cluster, 1 billion light years from Earth, a voracious, supermassive black hole is preparing for a chilly feast.
Astronomy
Jun 8, 2016
58
1303
Chemists have discovered that an 'impossible' reaction at cold temperatures actually occurs with vigour, which could change our understanding of how alcohols are formed and destroyed in space.
Materials Science
Jun 30, 2013
3
0
(Phys.org) —Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws.
Astronomy
May 24, 2013
36
0
(PhysOrg.com) -- Giant filaments of cold dust stretching through our Galaxy are revealed in a new image from ESA's Planck satellite. Analysing these structures could help to determine the forces that shape our Galaxy and ...
Astronomy
Mar 17, 2010
6
0
The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research. The conclusion is supported ...
Earth Sciences
Jun 24, 2009
15
0
Around two million years ago, Earth was a very different place, with our early human ancestors living alongside saber-toothed tigers, mastodons, and enormous rodents. And, depending on where they were, they may have been ...
Astronomy
Jun 10, 2024
12
3103
A team of researchers at the National University of Singapore has developed a customized magneto-optical trap (MOT) to cool indium atoms to near absolute zero. In their paper published in the journal Physical Review A, the ...
Life (as we know it) is based on carbon. Despite its ubiquity, this important element still holds plenty of secrets, on earth and in the heavens above us. For example, astrophysicists like Columbia's Daniel Wolf Savin who ...
Condensed Matter
Jun 27, 2022
0
1060
The sky isn't falling, but scientists have found that parts of the upper atmosphere are gradually contracting in response to rising human-made greenhouse gas emissions.
Earth Sciences
Jul 1, 2021
2
1396
