"Pulsar Star"
Posted: Fri Jun 08, 2012 10:41 pm
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"Pulsar Star"
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Re: "Pulsar Star"
Posted: Sat Jun 09, 2012 5:17 pm
WWWELLLLLLL??? DON'T YA HAVE SOMETHING TO SAY?Brigan wrote:
Anyway . . . . .
Cool picture! I like it!
Actually, a pulsar is a rapidly rotating small white neutron star.
There is one in the Crab Nebula, the remains of a super nova, a widely-observed event, by Arab, Chinese, and Japanese astronomers recording the star's appearance in 1054 CE.
It's now known to be a small neutron star about 28 to 30 kilometers in diameter rotating at about 30.2 revolutions per second!!!
Anyway . . . . .
The picture of the blue star is cool!
I like it.
Thanks.
Re: "Pulsar Star"
Posted: Sun Jun 10, 2012 4:34 pm
Fat Man wrote:
Actually, a pulsar is a rapidly rotating small white neutron star.
There is one in the Crab Nebula, the remains of a super nova, a widely-observed event, by Arab, Chinese, and Japanese astronomers recording the star's appearance in 1054 CE.
Wasn't the Crab Nebula discussed by Carl Sagan in the original "Cosmos" series? I seem to remember him saying it was the only supernova in historical times thus far that was visible to the naked eye.