Leveraging the NASA Center for Climate Simulation (NCCS), NASA Goddard Space Flight Center scientists ran 100 simulations exploring jets—narrow beams of energetic particles—that emerge at nearly light speed from supermassive ...
Astronomy
Nov 29, 2022
4
243
Researchers have been able to make some key determinations about the first galaxies to exist, in one of the first astrophysical studies of the period in the early universe when the first stars and galaxies formed, known as ...
Astronomy
Nov 28, 2022
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441
Northwestern University astrophysicist Farhad Zadeh has been fascinated and puzzled by a family of large-scale, highly organized magnetic filaments dangling in the center of the Milky Way ever since he first discovered them ...
Astronomy
Nov 18, 2022
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878
If an alien were to look at Earth, many human technologies—from cell towers to fluorescent light bulbs—could be a beacon signifying the presence of life.
Astronomy
Oct 21, 2022
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38
In October 2018, a small star was ripped to shreds when it wandered too close to a black hole in a galaxy located 665 million light years away from Earth. Though it may sound thrilling, the event did not come as a surprise ...
Astronomy
Oct 12, 2022
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141
One of the central predictions of general relativity is that a massive object such as a star, galaxy, or black hole can deflect light passing nearby. This means that light from distant objects can be gravitationally lensed ...
Astronomy
Oct 10, 2022
2
171
Pulsar signals obtained with radio telescopes are extremely weak. Generally, there are two primary difficulties in pulsar signal processing—one is the radio-frequency interference (RFI) mitigation, and the other one is ...
Astronomy
Oct 10, 2022
0
32
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have spotted signs of a "hot spot" orbiting Sagittarius A*, the black hole at the center of our galaxy. The finding helps astronomers better understand ...
Astronomy
Sep 22, 2022
217
485
In 1919 astronomers Arthur Eddington and Andrew Crommelin captured photographic images of a total solar eclipse. The sun was in the constellation Taurus at the time, and a handful of its stars could be seen in the photographs. ...
Astronomy
Sep 15, 2022
0
59
An international team of astronomers has inspected a tidal disruption event (TDE) known as AT2020opy using various radio telescopes. Results of the study, published August 30 on the arXiv pre-print server, could shed more ...
