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23 |
813 |
|
|
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...
|
|
6 |
434 |
|
|
|
|
4 |
375 |
|
|
|
|
9 |
422 |
|
|
|
|
106 |
1,611 |
|
|
|
|
5 |
425 |
|
|
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...
|
|
3 |
281 |
|
|
|
|
0 |
507 |
|
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|
|
12 |
673 |
|
|
|
|
0 |
393 |
|
|
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 |
554 |
|
|
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...
|
|
2 |
265 |
|
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|
|
68 |
1,046 |
|
|
|
|
7 |
399 |
|
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|
|
0 |
423 |
|
|
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 |
800 |
|
|
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...
|
|
2 |
476 |
|
|
|
|
51 |
1,331 |
|
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|
|
0 |
430 |
|
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6 |
434 |