As dawn rose over the German city of Bremen on May 7, 1823, Heinrich Olbers put the finishing touches to an article that left his name in history. After the deaths of his wife and daughter, Dr. Olbers had recently given up ...
Astronomy
Jun 19, 2023
5
168
Interstellar dust is a key component in galaxies. It favors star formation and drives the chemistry and physics of the interstellar medium. However, it hides the majority of stars in a way that it is impossible to observe ...
Astronomy
Jun 15, 2023
0
11
In a study published today in the Journal of Cosmology and Astroparticle Physics, researchers at the University of Toronto reveal a theoretical breakthrough that may explain both the nature of invisible dark matter and the ...
Astronomy
Jun 14, 2023
2
275
When two heavy ions collide at very high relativistic energies, they penetrate one another, during which they become excited and are slowed down. This "stopping" process can be generated experimentally, as demonstrated on ...
General Physics
Jun 14, 2023
0
33
What connects a fossil found in a cave in northern Laos with stone tools made in north Australia? The answer is, we do. When our early Homo sapiens ancestors first arrived in Southeast Asia on their way from Africa to Australia, ...
Archaeology
Jun 13, 2023
0
433
In the early universe, the gas between stars and galaxies was opaque—energetic starlight could not penetrate it. But 1 billion years after the big bang, the gas had become completely transparent. Why? New data from NASA's ...
Astronomy
Jun 13, 2023
4
130
Despite the enormous densities, the early universe didn't collapse into a black hole because, simply put, there was nothing to collapse into.
Astronomy
Jun 12, 2023
0
93
A group of space scientists from the University of Southern Queensland, the University of Victoria, the University of Warwick and the Kavli Institute for Astrophysics and Space Research discovered a white dwarf star that ...
As centers of learning, universities have the potential to help whole communities learn about and address climate change. Education can lead us to change our attitudes and behavior. It can also help us deal with the anxiety ...
Education
Jun 8, 2023
0
1
Since axions were first predicted by theory nearly half a century ago, researchers have hunted for proof of the elusive particle, which may exist outside the visible universe, in the dark sector. But how does one find particles ...
General Physics
Jun 7, 2023
2
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