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May 28, 2024 · Calçada CC BY 4.0. Astrophysicists at the University of Copenhagen help explain a mysterious phenomenon, whereby stars suddenly vanish from the night sky. Their study of an unusual binary star system has resulted in convincing evidence that massive stars can completely collapse and become black holes without a supernova explosion.
Dec 31, 2023 · Perna and Yihan Wang of the University of Nevada, Las Vegas, had been studying what happens when a star flies past another solar system. They had focused mainly on simulating systems with a single ...
Dec 1, 2022 · Several things happen, according to University of Maryland (UMD) astronomer Igor Andreoni: first, the star is violently ripped apart by the black hole’s gravitational tidal forces—similar to how the Moon pulls tides on Earth but with greater strength. Next, pieces of the star are captured into a swiftly spinning disk orbiting the black hole.
May 29, 2024 · Stars that vanish from the sky may be collapsing directly into black holes without going supernova first, a new study of a bizarre binary star system suggests. When you purchase through links on ...
Sep 16, 2020 · A visualization flying into the nebula Gum 29 and the star cluster Westerlund 2 at its core. All stars are born in clouds of dust and gas like the Pillars of Creation in the Eagle Nebula pictured below. In these stellar nurseries, clumps of gas form, pulling in more and more mass as time passes. As they grow, these clumps start to spin and heat up.
Nov 13, 2023 · All episodes. 00:00 / 21:48. APPLE. SPOTIFY. The JWST observation bolsters a growing catalog of isolated objects occupying this gray zone between giant planets and tiny stars. Sometimes called “free-floating” or “rogue” planets, these solitary worlds drift freely through space. While astronomers can estimate the mass of these dark ...
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Stellar Structure and Evolution. Stars are the source of almost all of the light our eyes see in the sky. Nuclear fusion is what makes a star what it is: the creation of new atomic nuclei within the star’s core. Many of stars’ properties — how long they live, what color they appear, how they die — are largely determined by how massive ...
