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
A team of international scientists, armed with the powerful ALMA telescope array in Chile, has unraveled the cosmic mysteries surrounding a dying star, revealing an intricate celestial dance shaped by unusual chemistry.
Astronomy
Jan 4, 2024
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51
Stars like our sun end their lives as white dwarfs. Some of them are surrounded by a planetary nebula consisting of gas ejected by the dying star shortly before its death. An international research team led by Professor Klaus ...
Astronomy
Oct 11, 2023
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119
Supernovae, the explosive deaths of stars, are some of the universe's biggest bursts of energy and light. When they erupt, one supernova can shine even brighter than an entire galaxy.
Astronomy
Jul 5, 2023
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281
It was one of the first famous images revealed by the James Webb Space Telescope earlier this year: a stunning shroud of gas and dust illuminated by a dying star at its heart.
Astronomy
Dec 11, 2022
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87
An international team of astronomers led by members of the Laboratory for Space Research (LSR) and Department of Physics at The University of Hong Kong (HKU), have discovered a rare celestial jewel—a so-called Planetary ...
Astronomy
Aug 29, 2022
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221
Astronomers at the University of Arizona have developed a theory to explain the presence of the largest molecules known to exist in interstellar gas.
Astronomy
Jul 19, 2022
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125
NASA said Friday the first cosmic images from the James Webb Space Telescope will include unprecedented views of distant galaxies, bright nebulae, and a faraway giant gas planet.
Astronomy
Jul 8, 2022
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Evidence suggests that carbon nanotubes, tiny tubes consisting of pure carbon, could be forged in the envelopes of dust and gas surrounding dying stars. The findings propose a simple, yet elegant mechanism for the formation ...
Nanophysics
Jun 17, 2022
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424
Located around 5,000 light-years away in the constellation of Cygnus (the Swan), Abell 78 is an unusual type of planetary nebula.
Astronomy
Mar 22, 2021
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