At just 33 years old, Caltech assistant professor Katie Bouman is already a veteran of two major scientific discoveries.
Astronomy
May 12, 2022
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At simultaneous press conferences around the world, including at a National Science Foundation-sponsored press conference at the U.S. National Press Club in Washington, D.C., astronomers have unveiled the first image of the ...
Astronomy
May 12, 2022
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At the center of the Milky Way is a supermassive black hole, 4.3 million times bigger than the sun, known as Sagittarius A*. Until recently, it was not clear how much of the matter at the heart of the galaxy was Sagittarius ...
Astronomy
Jan 13, 2022
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163
The black hole at the center of the galaxy not only flares irregularly from day to day, but also in the long term. This was revealed by an analysis of 15 years of data by an international team of researchers led by Alexis ...
Astronomy
Jan 12, 2022
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One of the characteristic features of modern cosmology is its description of how galaxies evolve: via a hierarchical process of colliding and merging with other systems. Nowhere in the universe do we have a clearer view of ...
Astronomy
Jan 7, 2022
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Do you see a monster in this picture? Do the bright spots near the top of the image look like the piercing eyes and elongated snout of Godzilla?
Astronomy
Oct 26, 2021
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This star-studded image from the NASA/ESA Hubble Space Telescope depicts NGC 6717, which lies more than 20,000 light-years from Earth in the constellation Sagittarius. NGC 6717 is a globular cluster, a roughly spherical collection ...
Astronomy
Sep 11, 2021
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432
At the center of our Milky Way lies a supermassive black hole (SMBH) called Sagittarius A* (SgrA*). Supermassive black holes reside at the centers of most galaxies, and when they actively accrete gas and dust onto their surrounding ...
Astronomy
Jun 11, 2021
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A team of researchers at the International Center for Relativistic Astrophysics has found evidence that suggests Sagittarius A* is not a massive black hole but is instead a mass of dark matter. In their paper published in ...
For US astronomer Andrea Ghez, who won this year's Nobel Physics Prize, what makes black holes so fascinating is how tricky they are to conceptualize.
Astronomy
Oct 6, 2020
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