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23 |
802 |
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Direct/retrograde loops by
Gerald Kelleher
The geocentric astronomers up to the time of Copernicus saw that all planets would occasionally process a loop against the background stars...
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6 |
429 |
|
|
|
|
4 |
370 |
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|
9 |
418 |
|
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|
106 |
1,594 |
|
|
|
|
5 |
421 |
|
|
Most observers dormant in cold weather by
RichA[_6_]
And why not? Cold weather kills about 3 million people a year world-wide, about 150,000 people alone in the U.S. and 50,000 in Britain, despite them being a...
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3 |
277 |
|
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|
|
0 |
503 |
|
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|
|
12 |
662 |
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0 |
384 |
|
|
cave astrola scopes by
[email protected]
My astronomy club has a 16 inch cave astrola. I would like to fix or improve the drive but need schematics and or manual. Does anyone have their manual?
Ted
|
|
4 |
551 |
|
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The so-called inverse square law by
Gerald Kelleher
Despite comments on the demise of sci.astro.amateur, the people involved in magnification and identification have moved to moderated forums so don't have to...
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|
2 |
265 |
|
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|
68 |
1,039 |
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|
|
7 |
396 |
|
|
|
|
0 |
422 |
|
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Remark on a comment made by
Gerald Kelleher
A while ago one of the contributors, with the appropriate pseudo-authority of an echo chamber, announced that mathematical voodoo is more relevant than normal...
( 1 2 3)
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26 |
795 |
|
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Hapax legomenon by
Gerald Kelleher
It is perhaps one of the loveliest passages found in one of the books in the Bible -
"Canst thou bind the sweet influences of Pleiades, or loose the bands of...
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2 |
472 |
|
|
|
|
51 |
1,307 |
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|
0 |
428 |
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6 |
427 |