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Old 06-10-2009, 06:54 AM   #1
2552
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Default First Extra-Galactic Planet Spotted in Andromeda

A star in the Andromeda galaxy has a "companion" with six times the mass of Jupiter.

http://www.technologyreview.com/blog/arxiv/23619/

n.
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Old 06-10-2009, 11:42 AM   #2
insane_alien
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or... it's deathstar MkIII
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Old 06-10-2009, 11:53 AM   #3
the.punk
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Yeah. That is cool. How could they know that this is a planet?
It is sooooooo faaaaaar away.
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Old 06-10-2009, 12:17 PM   #4
RisingFury
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Very nice approach...
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Old 06-10-2009, 12:47 PM   #5
insane_alien
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Quote:
Originally Posted by the.punk View Post
 Yeah. That is cool. How could they know that this is a planet?
It is sooooooo faaaaaar away.
same way we know extra solar planets are planets.

the only difference in this finding seems to be the extrarodinary detection distance allowed for with gravitational lensing.
without the gravitational lensing we wouldn't have even been able to isolate the particular star never mind the planet.
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