}-)))*> Runaway Star | |
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Fish (OP) User ID: 25517 United States 11/16/2005 02:31 PM Report Abusive Post Report Copyright Violation | Its traveling inbound toward the milky way it says.. The light from the star was both the wrong color (wavelength) for where the star is located and showed spectral signs that it is traveling inbound to the Milky Way at an unusually high speed about 1.6 million miles per hour (2.6 million kilometers per hour). "I agree that ejection from the Galactic center is not very plausible," said University of Texas astronomer John Kormendy, who was not involved the HE 0437-5439 discovery. "The starīs lifetime is too short, given the necessary travel time." Itīs more likely that the star is from the Large Magellanic Cloud (LMC) a irregular galaxy very near, but outside the Milky Way and visible in the night skies of Earthīs Southern Hemisphere. But the LMC poses another problem, said Kormendy. "Almost certainly the LMC does not have a supermassive black hole to do the same job," said Kormendy. That means something even more unusual might have thrown the star towards the Milky Way, something like a sideways blast by a much bigger companion star that exploded as a supernova, he said. |