While ESA's satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays—high-energy photons—coming from the nearby galaxy M82. Only a few hours later, ESA's XMM-Newton X-ray space telescope searched for ...
Astronomy
Apr 24, 2024
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51
Gamma-ray bursts (GRBs) are intense bursts of gamma radiation, typically generating more energy in a few seconds than the sun will produce over its ten-billion-year lifetime. These transient phenomena present one of the most ...
Astronomy
Apr 22, 2024
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1157
When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come from mergers of some exotic ...
Astronomy
Apr 16, 2024
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2
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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83
NASA's BurstCube, a shoebox-sized satellite designed to study the universe's most powerful explosions, is on its way to the International Space Station.
Astronomy
Mar 22, 2024
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25
The most powerful events in the known universe—gamma-ray bursts (GRBs)—are short-lived outbursts of the highest-energy light. They can erupt with a quintillion (a 10 followed by 18 zeros) times the luminosity of our sun. ...
Astronomy
Feb 7, 2024
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50
The Vera Rubin Observatory (VRO) is something special among telescopes. It's not built for better angular resolution and increased resolving power like the European Extremely Large Telescope or the Giant Magellan Telescope. ...
Astronomy
Jan 23, 2024
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66
India launched its first satellite on Monday to study black holes as it seeks to deepen its space exploration efforts ahead of an ambitious crewed mission next year.
Astronomy
Jan 2, 2024
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7
Neutron stars are the end products of massive stars and gather together a large part of the original stellar mass in a super-dense star with a diameter of only around ten kilometers. On 17 August 2017, researchers observed ...
Astronomy
Dec 21, 2023
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373
The IceCube Neutrino Observatory, operated by the University of Wisconsin-Madison (UW-M), located at the Amundsen–Scott South Pole Station in Antarctica, is one of the most ambitious neutrino observatories in the world. ...
General Physics
Dec 18, 2023
2
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