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768 |
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906 |
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Excellent solar system e-cards by
Steven Drake
Fantastic solar system e-card pics @
http://www.ecardsearch.com/cgi-bin/directory?search=solar%20system&pgb=1&pge=9
Check them out,
Steven
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780 |
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A different optical telescope by
stone
I suggest making a reflector optical telescope with a diameter of 100 yards
or more. Instead of using a highly polished mirror, which is very expensive
even...
( 1 2 3)
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27 |
2,572 |
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76 |
5,868 |
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1,035 |
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Math of a SunFlower by
SunFlower
Given
* the logitude and latitude of your position
*date
* time
How to calculate the azimuth and elevation of the Sun position ?
NOTE that it is possible to...
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1,149 |
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October 21st 04 11:25 AM
by T
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715 |
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Lunar eclipse; by
T
http://www.rocketroberts.com/astro/lun_ecl_8nov03.htm
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2 |
1,061 |
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Sunspot photos; by
T
http://www.rocketroberts.com/astro/sunspots_oct2003.htm
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October 26th 03 02:53 PM
by T
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855 |
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October 16th 03 11:31 PM
by Taxi
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783 |
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March 25th 04 09:14 AM
by te
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1,272 |
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June 24th 04 08:40 AM
by Eric
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2 |
1,065 |
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Looking for self-written texts by
Teja Falk Radke
Hi group,
and sorry in advance, for some of you will for sure concider this post as
spam.
However, i have started a site for the exchange of any kind of...
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1,555 |
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641 |
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8 |
977 |
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November 2009 Solar Swirl by
the
The big swirly happened last year. November I think. 11-07-09
does anyone have any data on this event...?
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May 10th 10 08:15 AM
by the
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1,829 |
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Free Astronomy Book by
The Astronomer
Greetings, Fellow SkyWatchers!
Are you looking for all the best of what's up in the night sky for the
year 2007? Then be my guest and download my free e.book...
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1,368 |
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1,417 |
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1,291 |