Betelgeuse , best eff for its function in the configuration Orion and being played by Michael Keaton , is break down . And unlike other choke stars , it seems to be shrinking , too .
Betelgeuse is so large and undimmed ( and so comparatively close ) that it ’s had its aerofoil photographed and its size of it measured , and it appear big than most other stars when consider by the Hubble Telescope . But it ’s getting older and , like its red giant counterparts , kick the bucket . But unlike other blood-red heavyweight , which scientist have observed bulge before death , Betelgeuse is shrivel .
According to Live skill :
In 1993 , measurements put Betelgeuse ’s radius at about 5.5 astronomical units ( AU ) , where one AU equals the average Earth - sun distance of 93 million miles , or about 150 million km . Since then it has shrunk in size by 15 percent . That mean the champion ’s radius has contracted by a distance equal to the orbit of Venus .
“ To see this change is very spectacular , ” say Charles Townes , a UC Berkeley prof emeritus of physics . “ We will be watch it carefully over the next few years to see if it will keep catching or will go back up in size of it . ”
Scientists do n’t know if this is normal doings , a possible harbinger of its close at hand death or part of an inevitable declivity . For the second , though , Betelgeuse carry on to shine as hopeful as ever .
Popular Giant Star Shrinks Mysteriously[Live Science ]
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