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Old 04-23-2009, 02:50 PM
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Default Astronomy News Thread

A new extrasolar planet was discovered today. Gliese 581 e. It's the smallest one ever discovered at 1.9 Earth masses, and orbits its red dwarf star at a distance of 0.03 AU.
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Old 04-23-2009, 02:52 PM
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Originally Posted by vividox View Post
orbits its red dwarf star at a distance of 0.03 AU.
That's got to be zipping around pretty quick.
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Old 04-23-2009, 02:59 PM
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That's got to be zipping around pretty quick.
Says it's got an orbital period of 3.15 days.
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Old 04-23-2009, 02:59 PM
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...orbits its red dwarf star at a distance of 0.03 AU.
It would be funny if there were red dwarfs on the planet as well
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Old 04-23-2009, 03:01 PM
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And if they watched the British comedy Red Dwarf on their, um, tiny, er, red colored TV sets.
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Old 04-23-2009, 03:09 PM
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Ya'll are just being way too serious, I can't stand it.
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Old 04-23-2009, 04:19 PM
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Don't you know the Dewey Decimal System?!?
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Old 04-23-2009, 04:25 PM
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OMG this would have been like the jewel in the crown!


Can you see it now? In the Reef?


Gastronomy/Jews Thread

Kugel onions Long Island Icde tea

:cry


I lvoe you Lee Marlin!


Idon't know

im sorry



Or maybe you can't see it. Like me. Because I can't get in.

Never mind.
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Old 04-25-2009, 09:29 AM
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http://news.bbc.co.uk/2/hi/science/nature/8008473.stm

Quote:
'Quiet Sun' baffling astronomers

By Pallab Ghosh
Science correspondent, BBC News

The Sun is the dimmest it has been for nearly a century.

There are no sunspots, very few solar flares - and our nearest star is the quietest it has been for a very long time.

The observations are baffling astronomers, who are due to study new pictures of the Sun, taken from space, at the UK National Astronomy Meeting.

The Sun normally undergoes an 11-year cycle of activity. At its peak, it has a tumultuous boiling atmosphere that spits out flares and planet-sized chunks of super-hot gas. This is followed by a calmer period.

Last year, it was expected that it would have been hotting up after a quiet spell. But instead it hit a 50-year low in solar wind pressure, a 55-year low in radio emissions, and a 100-year low in sunspot activity.

According to Prof Louise Hara of University College London, it is unclear why this is happening or when the Sun is likely to become more active again.

"There's no sign of us coming out of it yet," she told BBC News.

"At the moment, there are scientific papers coming out suggesting that we'll be going into a normal period of activity soon.

"Others are suggesting we'll be going into another minimum period - this is a big scientific debate at the moment."

[...]
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Old 04-25-2009, 09:38 AM
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Solar cooling?

What's Al Gore say?
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