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One of the the fastest-moving stars ever discovered in the Milky Way has challenged theories about why it's moving so fast.
Astronomers used five years of NASA's Chandra X-ray Observatory images to show that the rogue star, poetically dubbed RX J0822-4300 (shown in image moving from point A in 1999 to point B in 2005), is careening away from what's left of a star that exploded about 3,700 years ago. The neutron star is exiting the Milky Way at about 3 million mph (4.8 million kph). Other hypervelocity stars known to be exiting the Milky Way move at speeds about one-third as great - believed to be hurled toward interstellar space by an aggressive, supermassive black hole at our galaxy's center.
... In the case of RX J0822-4300,
a tremendous lopsided supernova explosion launched the neutron star to its blinding speed.
It has traveled 20 light-years thus far,
and will take millions of years to escape the clutches of the Milky Way ...
Originally posted by TeslaandLyne
I'm not doing any math right now buy 3700 years ago the
star exploded and has traveled 20 light years.
So thats .005 light years per year by division.
Its always in the units.
So find how that is 3 million miles per hour.
Originally posted by warrenb
while that is alot less than the speed of light (299 792 458 m/s) that is a heck of alot faster than anything we can build for travel.
would be cool if we could build a vehicle drive that traveled that fast