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
The radiation detectors used today for applications like inspecting cargo ships for smuggled nuclear materials are expensive and cannot operate in harsh environments, among other disadvantages. Now, MIT engineers have demonstrated ...
Analytical Chemistry
Mar 28, 2024
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10
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
A pair of astrophysicists at Universidad Nacional Autonoma de Mexico has found, via study of data from the low-Earth orbiting Fermi Gamma-ray Space Telescope, regular gamma radiation pulses emanating from around the black ...
Last year the brightest flash of light ever seen in the night sky disturbed Earth's upper atmosphere in a way that has never before detected before, researchers said on Tuesday.
Astronomy
Nov 14, 2023
2
621
The probability of detecting a supernova associated with a gamma-ray burst is currently 0.00346%. A network of several telescopes in different geographical coordinates, checking data in different photometric filters, analyzing ...
Astronomy
Oct 6, 2023
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37
Astronomers from the University of Maryland and the Michigan Technological University, have inspected a mysterious ultra-high energy gamma-ray source known as LHAASO J2108+5157. Results of the study, published August 31 on ...
A team of scientists from Argentina and Spain have reported the first observational evidence that a type of young low-mass star, known as "T Tauri stars," are capable of emitting gamma radiation. The study is published in ...
Astronomy
Aug 23, 2023
0
410
A gamma-ray burst is the most violent explosion in the universe. The research on gamma-ray bursts, including a central engine, magnetized dynamics of plasmas, and radiation, is one of the hot topics in the high-energy astrophysical ...
Astronomy
Apr 10, 2023
0
31
On October 9, 2022, an intense pulse of gamma-ray radiation swept through our solar system, overwhelming gamma-ray detectors on numerous orbiting satellites, and sending astronomers on a chase to study the event using the ...
Astronomy
Mar 28, 2023
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