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Astronomy Picture of the Day
NASA ^
| NASA
Posted on 10/25/2009 6:11:16 AM PDT by sig226
M1: The Crab Nebula from Hubble
Credit: NASA, ESA, J. Hester, A. Loll (ASU); Acknowledgement: Davide De Martin (Skyfactory)
Explanation: This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments. The filaments are not only tremendously complex, but appear to have less mass than expelled in the original supernova and a higher speed than expected from a free explosion. The above image, taken by the Hubble Space Telescope, is presented in three colors chosen for scientific interest. The Crab Nebula spans about 10 light-years. In the nebula's very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town. The Crab Pulsar rotates about 30 times each second.
TOPICS: Astronomy Picture of the Day
KEYWORDS: apod
1
posted on
10/25/2009 6:11:17 AM PDT
by
sig226
To: null and void; fnord; Number57; KevinDavis; rdb3; MNJohnnie; RightWhale; proudofthesouth; ...
2
posted on
10/25/2009 6:11:51 AM PDT
by
sig226
(My President was President of the week at the Norwegian Slough Academy.)
To: sig226
The Crab Pulsar rotates about 30 times each second. Wow. That spins almost as fast as Robert Gibbs.
3
posted on
10/25/2009 6:22:37 AM PDT
by
EternalVigilance
(If they won't "secure the Blessings of Liberty to Posterity," they won't secure yours either.)
To: sig226
To: sig226
5
posted on
10/25/2009 6:44:39 AM PDT
by
mark3681
To: mark3681
Mine too! I’ve seen this years ag at a mountain top observatory in Penn. called Pulpit Rock. It was spectacular.
6
posted on
10/25/2009 7:37:15 AM PDT
by
JoeMac
("Dats all I can stands 'cuz I can't stands no more!'' Popeye The SailorMan)
To: sig226
7
posted on
10/25/2009 8:16:24 AM PDT
by
Uri’el-2012
(Psalm 119:174 I long for Your salvation, YHvH, Your law is my delight.)
To: Robe
8
posted on
10/25/2009 8:26:10 AM PDT
by
Robe
(Rome did not create a great empire by talking, they did it by killing all those who opposed them)
To: sig226
9
posted on
10/25/2009 8:38:16 AM PDT
by
Kolb
("Man is not free unless government is limited." - Ronald Reagan)
To: JoeMac
10
posted on
10/25/2009 3:46:48 PM PDT
by
sig226
(My President was President of the week at the Norwegian Slough Academy.)
To: sig226
West of Allentown, Pa. off I-78:
11
posted on
10/25/2009 5:15:55 PM PDT
by
dr_lew
To: dr_lew
looks like a good spot. thanks.
12
posted on
10/25/2009 7:27:58 PM PDT
by
sig226
(My President was President of the week at the Norwegian Slough Academy.)
To: sig226
I used to go up there in the 70's. Looks like it is still an active
observatory.
13
posted on
10/25/2009 8:48:18 PM PDT
by
dr_lew
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