Astronomers using the super-sharp radio vision of the National Science Foundation's Very Long Baseline Array (VLBA) have found the shredded remains of a galaxy that passed through a larger galaxy, leaving only the smaller ...
Astronomy
Nov 2, 2016
68
2495
Did humanity miss the party? Are SETI, the Drake Equation, and the Fermi Paradox all just artifacts of our ignorance about Advanced Life in the universe? And if we are wrong, how would we know?
Astronomy
May 12, 2023
4
174
We've come a long way in 13.8 billion years; but despite our impressively extensive understanding of the Universe, there are still a few strings left untied. For one, there is the oft-cited disconnect between general relativity, ...
General Physics
Feb 9, 2015
51
277
Astronomers have revealed that a brilliant supermassive black hole is not living up to expectations. Although it is responsible for high levels of radiation and powerful jets, this giant black hole is not as influential as ...
Astronomy
Mar 21, 2024
0
56
Earth just got 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don't worry, this doesn't mean that our planet is plunging towards the black hole. Instead ...
Astronomy
Nov 27, 2020
2
3358
Nothing can evoke an existential perspective-spiral quite like looking at an image of a galaxy. At first glance, these sublime structures may appear rather serene. But in fact the center of many galaxies is a turbulent environment ...
Astronomy
Aug 25, 2023
1
4172
A Clemson University scientist has joined forces with an international team of astronomers to identify periodic gamma-ray emissions from 11 active galaxies, paving the way for future studies of unconventional galaxies that ...
Astronomy
Jun 19, 2020
8
1837
Watching X-rays flung out into the universe by the supermassive black hole at the center of a galaxy 800 million light-years away, Stanford University astrophysicist Dan Wilkins noticed an intriguing pattern. He observed ...
Astronomy
Jul 28, 2021
22
5028
Recent observations have shown that there is a supermassive black hole at the center of each galaxy. However, what is the origin of these supermassive black holes? It is still a mystery today. An international research team ...
Astronomy
Mar 11, 2021
10
6631
A new study outlines a method for detecting a speculative phenomenon that has long captured the imagination of sci-fi fans: wormholes, which form a passage between two separate regions of spacetime.
General Physics
Oct 23, 2019
16
3536
