Japan's XRISM (X-ray Imaging and Spectroscopy Mission, pronounced "crism") observatory, expected to launch Aug. 25 (Aug. 26 Japan local time), will provide an unprecedented view into some of the hottest places in the universe. ...
Astronomy
Aug 4, 2023
0
26
Our ideas about the universe are based on a century-old simplification known as the cosmological principle. It suggests that when averaged on large scales, the Cosmos is homogeneous and matter is distributed evenly throughout.
Astronomy
Jun 29, 2023
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59
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
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168
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
Dark matter, matter in the universe that does not emit, absorb or reflect light, cannot be directly detected using conventional telescopes or other imaging technologies. Astrophysicists have thus been trying to identify alternative ...
How did we get here? Where are we going? And how long will it take? These questions are as old as humanity itself, and, if they've already been asked by other species elsewhere in the universe, potentially very much older ...
Astronomy
May 14, 2023
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159
Thanks to data from a magnified, multiply imaged supernova, a team led by University of Minnesota Twin Cities researchers has successfully used a first-of-its-kind technique to measure the expansion rate of the universe. ...
Astronomy
May 11, 2023
0
1424
Physicists believe most of the matter in the universe is made up of an invisible substance that we only know about by its indirect effects on the stars and galaxies we can see.
Astronomy
Apr 21, 2023
174
2022
In the 1960s, astronomers began noticing a pervasive microwave background visible in all directions. Thereafter known as the Cosmic Microwave Background (CMB), the existence of this relic radiation confirmed the Big Bang ...
Astronomy
Apr 21, 2023
9
185
For millennia, humans have been fascinated by the mysteries of the cosmos.
Astronomy
Apr 11, 2023
11
358
