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
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
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410
NASA's James Webb Space Telescope obtained images of the Ring Nebula, one of the best-known examples of a planetary nebula. Much like the Southern Ring Nebula, one of Webb's first images, the Ring Nebula displays intricate ...
Astronomy
Aug 21, 2023
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444
Scientists have made a new discovery on how small planets might form. Researchers at the University of Warwick investigated the "birth environment" of planets—areas of gas and dust that swirl around a central star—known ...
Planetary Sciences
Jul 3, 2023
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697
A University of Michigan astronomer and his team are suggesting a new way to expand the search for habitable planets that takes into account a zone not previously considered: the space between the star and what's called soot ...
Space Exploration
May 25, 2023
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102
The Atacama Large Millimeter Array (ALMA)—an astronomical interferometer of 66 telescopes in northern Chile, captured an exquisite image of the protoplanetary disk surrounding the young star known as Elias 2-24—but scientists ...
Astronomy
Feb 14, 2023
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121
A newly discovered exoplanet could be worth searching for signs of life. Analyses by a team led by astronomer Diana Kossakowski of the Max Planck Institute for Astronomy describe a planet that orbits its home star, the red ...
Astrobiology
Feb 3, 2023
3
2135
A Dartmouth professor's images of the explosive aftermath from the collision of two dying stars could help scientists better understand this rare type of astronomical event—and may finally confirm the identity of a brilliant ...
Astronomy
Jan 13, 2023
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1252
Planetary nebulae form when red giant stars expel their outermost layers as they run out of helium fuel—becoming hot, dense white dwarf stars that are roughly the size of Earth. The material that was shed, enriched in carbon, ...
Astronomy
Jan 12, 2023
0
63
Planets form as the dust grains in a protoplanetary disk grow into pebbles and then finally into planets. Because small dust grains interact with gas (via the drag it imparts), the gas in protoplanetary disks influences the ...
Astronomy
Aug 9, 2021
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