Blazars belong to the family of active galactic nuclei called quasars. What differentiates them from quasars is that the flares ejected out of these active galactic nuclei are pointed toward the Earth. These flares contain ...
Astronomy
Nov 20, 2023
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126
Fast radio bursts, or FRBs, are an astronomical mystery, with their exact cause and origins still unconfirmed. These intense bursts of radio energy are invisible to the human eye, but show up brightly on radio telescopes.
Astronomy
Oct 11, 2023
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262
It's well-known that birds and other animals rely on Earth's magnetic field for long-distance navigation during seasonal migrations.
Plants & Animals
Oct 9, 2023
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253
Astrophysicists have used the James Webb Space Telescope (JWST) to take a close look at a volatile star.
Astronomy
Oct 9, 2023
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219
An international team of scientists has discovered a huge spike in radiocarbon levels 14,300 years ago by analyzing ancient tree-rings found in the French Alps.
Astronomy
Oct 9, 2023
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401
The mystery of a stellar flare a trillion times more powerful than the largest of solar flares may have been solved by a team of scientists who believe a massive young planet is burning up in a superheated soup of raw material ...
Astronomy
Jun 12, 2023
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26
The sun's rotation produces changes in its magnetic field, which flips completely every 11 years or so, triggering a phase of intense activity. Solar flares—huge eruptions from the surface of the sun lasting minutes or ...
Astronomy
May 16, 2023
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115
Southwest Research Institute (SwRI) scientists observed the first close-ups of a source of energetic particles expelled from the sun, viewing them from just half an astronomical unit (AU), or about 46.5 million miles. The ...
Astronomy
May 15, 2023
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18
Solar flares and coronal mass ejections (CME) are two of the most energetic processes in the solar system, showering the Earth's magnetic field with billions of tons of highly energetic plasma gas, potentially disrupting ...
Astronomy
May 10, 2023
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46
For a new study, a team of physicists recruited roughly 1,000 undergraduate students at the University of Colorado Boulder to help answer one of the most enduring questions about the sun: How does the star's outermost atmosphere, ...
Astronomy
May 9, 2023
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