After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on the Neil Gehrels Swift Observatory and the Fermi Gamma-Ray Space Telescope on October 9th, 2022. ...
Astronomy
Apr 15, 2024
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When astronomers looked at a stellar pair at the heart of a stunning cloud of gas and dust, they were in for a surprise. Star pairs are typically very similar, like twins, but in HD 148937, one star appears younger and, unlike ...
Astronomy
Apr 11, 2024
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115
Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have observed a young star designated HD 21997. Results of the new observations indicate that the studied object is a high-frequency Delta Scuti pulsator. ...
The total solar eclipse across North America on April 8, 2024, is a stunning and memorable event for everyone in its path. However, eclipses are not just valued for their visual impact, they are at the heart of cutting-edge ...
Astronomy
Apr 9, 2024
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20
High sensitivity radio observations have discovered a cloud of magnetized plasma in the Hydra galaxy cluster. The odd location and shape of this plasma defy all conventional explanations. Dubbed the Flying Fox based on its ...
Astronomy
Apr 8, 2024
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173
Millions of spectators along a narrow corridor stretching from Mexico to the U.S. to Canada eagerly awaited Monday's celestial sensation—a total eclipse of the sun—even as forecasters called for clouds.
Space Exploration
Apr 8, 2024
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8
Sometime between now and September, a massive explosion 3,000 light years from Earth will flare up in the night sky, giving amateur astronomers a once-in-a-lifetime chance to witness this space oddity.
Astronomy
Apr 6, 2024
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For centuries, astronomers have realized that total solar eclipses offer a valuable scientific opportunity. During what's called totality, the opaque moon completely hides the bright photosphere of the sun—its thin surface ...
Planetary Sciences
Apr 2, 2024
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46
As the world eagerly anticipates the upcoming total solar eclipse on April 8, 2024, NASA is preparing for an extraordinary opportunity for scientific discovery, open collaboration, and public engagement. At the heart of the ...
Astronomy
Apr 1, 2024
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1
Stars like the sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the sun shining steadily for about ...
Astronomy
Apr 1, 2024
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