A group of astronomers have shown that the fastest-moving stars in our galaxy - which are travelling so fast that they can escape the Milky Way - are in fact runaways from a much smaller galaxy in orbit around our own.
Astronomy
Jul 4, 2017
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1272
Scientists using the W. M. Keck Observatory and Pan-STARRS1 telescopes on Hawaii have discovered a star that breaks the galactic speed record, traveling with a velocity of about 1,200 kilometers per second or 2.7 million ...
Astronomy
Mar 5, 2015
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2890
A study led by a University of Utah astrophysicist found a new explanation for the growth of supermassive black holes in the center of most galaxies: they repeatedly capture and swallow single stars from pairs of stars that ...
Astronomy
Apr 2, 2012
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0
Sometimes when you're looking for one thing, you find something completely different and unexpected. In the scientific endeavor, such serendipity can lead to new discoveries. Today, researchers who found the first hypervelocity ...
Astronomy
Nov 16, 2010
1
0
(PhysOrg.com) -- NASA's Hubble Space Telescope has detected a hypervelocity star - a rare entity moving three times faster than our sun.
Astronomy
Jul 22, 2010
10
0
A team of Leiden astronomers used the latest set of data from ESA's Gaia mission to look for high-velocity stars being kicked out of the Milky Way, but were surprised to find stars instead sprinting inwards – perhaps from ...
Astronomy
Oct 2, 2018
2
1160
With the help of software that mimics a human brain, ESA's Gaia satellite spotted six stars zipping at high speed from the centre of our galaxy to its outskirts. This could provide key information about some of the most obscure ...
Astronomy
Jun 26, 2017
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30
It's very difficult to kick a star out of the galaxy.
Astronomy
Apr 30, 2012
15
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Seven years ago, astronomers boggled when they found the first runaway star flying out of our Galaxy at a speed of 1.5 million miles per hour. The discovery intrigued theorists, who wondered: If a star can get tossed outward ...
Astronomy
Mar 22, 2012
22
0
The fastest stars in the Milky Way hurtle along at over a thousand kilometers per second. Ph.D. candidate Fraser Evans has conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach ...
Astronomy
Mar 10, 2023
0
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