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12 |
1,094 |
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0 |
389 |
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1 |
493 |
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23 |
2,099 |
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0 |
639 |
|
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Curiosity finds evidence of water on Mars by
Sam Wormley[_2_]
Curiosity finds evidence of water on Mars
http://www.sciencedump.com/content/curiosity-finds-evidence-water-mars
NASA's Curiosity rover found an ancient...
|
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4 |
639 |
|
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Buy 1 scope, or 1000 by
Rich[_4_]
Amazing how many unlabeled refractors, etc., are available from this site.
They don't list prices though, you have to get a...
|
|
0 |
563 |
|
|
Willamette Meteor Location? by
W. eWatson[_2_]
The meteor is in Washington D.C., but where was the fall site. I recall
it was near a river in perhaps downtown Portland. They had a nice walk
way with the...
|
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3 |
606 |
|
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Latest moon attempt by
Paul Ciszek
http://www.flickr.com/photos/35853148@N05/8025778157
If I tell my camera that the moon is a sunlit object (which it is), that
picture comes out orangey-brown....
( 1 2)
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12 |
1,154 |
|
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Any Binocular Reviews? by
[email protected]
On Saturday, February 21, 1998 9:00:00 AM UTC+1, Matthew Wiggins wrote:
I'm looking at buying a pair of binoculars for astronomy (probably 7x50 or
8x56)...
|
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3 |
608 |
|
|
Space Weather News for Oct. 7, 2012 by
Sam Wormley[_2_]
Space Weather News for Oct. 7, 2012
http://spaceweather.com
DRACONID METEOR WATCH: Earth is about to pass through a stream of debris from comet...
|
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0 |
650 |
|
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Any Binocular Reviews? by
[email protected]
On Saturday, February 21, 1998 3:00:00 AM UTC-5, Matthew Wiggins wrote:
I'm looking at buying a pair of binoculars for astronomy (probably 7x50 or
8x56)...
|
|
0 |
485 |
|
|
Introducing Comet ISON by
Sam Wormley[_2_]
Introducing Comet ISON
http://apod.nasa.gov/apod/ap121001.html
The comet, discovered just over a week ago from Russia by Vitali Nevski (Belarus) and...
|
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2 |
902 |
|
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Effect of aperture on chromatic aberation? by
Paul Ciszek
Way back in undergraduate optics, I was told that reducing the aperture
of a lens mitigates various problems such as spherical aberration, and
of course it...
( 1 2)
|
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17 |
1,647 |
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8 |
917 |
|
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Atmospheric thickness by
W. eWatson[_2_]
Is there a tool or graph that shows the thickness of the atmosphere at
various elevations and accounts for the altitude of the observatory?
( 1 2)
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17 |
1,468 |
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3 |
446 |
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5 |
645 |
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Space Weather News for Oct. 1, 2012 by
Sam Wormley[_2_]
Space Weather News for Oct. 1, 2012
http://spaceweather.com
CME IMPACT: A coronal mass ejection (CME) hit Earth's magnetic field on Sept. 30th. At...
|
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0 |
450 |
|
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C/2012 S1 (ISON) by
Sam Wormley[_2_]
Space Weather News for Sept. 25, 2012
http://spaceweather.com
SUNDIVING COMET: Astronomers are paying close attention to a
newly-discovered comet, C/2012 S1...
|
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2 |
802 |