Astronomers have found the edge of the Milky Way at last
Our galaxy spans 1.9 million light-years, a new study finds
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Astronomers may have spotted the ghost galaxy that hit the Milky Way long ago
Jun 2019
Discovered in Gaia data, Antlia 2 could be the star system scientists have been looking for
Astronomers may have spotted the ghost galaxy that hit the Milky Way long ago
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A bar of stars at the center of the Milky Way looks surprisingly young
Dec 2023
Future models of the galaxy's evolution will have to account for why the bar developed so late
A bar of stars at the center of the Milky Way looks surprisingly young
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The black hole–powered jet in galaxy M87 is making stars explode
Oct 2023
The surprising discovery is puzzling astronomers
The black hole–powered jet in galaxy M87 is making stars explode
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A celestial loner might be the first known rogue black hole
Jun 2022
Detected by gravitational lensing, the interstellar wanderer may be a hefty neutron star instead
A celestial loner might be the first known rogue black hole
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A cosmic flare called the ‘Cow’ may reveal a new way that stars die
Jan 2019
The burst of light from far away may have been a new type of supernova
A cosmic flare called the ‘Cow’ may reveal a new way that stars die
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The first black hole ever discovered is more massive than previously thought
Feb 2021
Cygnus X-1 is the heaviest stellar black hole observed without using gravitational waves
The first black hole ever discovered is more massive than previously thought
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A gargantuan supernova remnant looks 40 times as big as the full moon
Mar 2021
From Earth’s perspective, it’s the largest cloud of debris ever seen from an exploded star
A gargantuan supernova remnant looks 40 times as big as the full moon
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How tiny red stars can test ideas about the origin of life
Dec 2023
Ultracool dwarf stars lack the UV light thought to be needed to kick-start life
How tiny red stars can test ideas about the origin of life
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The James Webb telescope may have spotted stars powered by dark matter
Jul 2023
If they exist, dark stars could offer insight into dark matter and early star formation
The James Webb telescope may have spotted stars powered by dark matter