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0 |
875 |
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0 |
924 |
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0 |
975 |
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About the sun question. by
Edgar
Dear everybody,
I have a quesstion about the sun.
We know the sun every day burning, so its diameter is contracting for 7-8km
every year. Now, the sun...
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8 |
1,159 |
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14 |
1,609 |
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December 26th 03 01:09 PM
by david
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0 |
908 |
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Re mt Arena telescope by
david
Guys, sorry for the lack of info...I wasn't sure what to give.
Anyway, its a 500mm focal length reflecting telescope, it has the optical
eyepeices coming out...
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December 26th 03 06:24 PM
by david
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8 |
1,305 |
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0 |
807 |
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Diffration Grating Wanted! by
Mauritz Geyser
Hi Group
Doen anyone know a good source of "not so expensive" diffration gradings
(600 to 1200 g/mm)? I would like to experiment with spectroscopy and...
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6 |
947 |
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Solar Eclipse help by
Reb ban
I am looking for a website reference that can tell me when the next
solar total eclipse of the sun occurs on a Friday the 13th. Any help
would be greatly...
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2 |
1,067 |
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December 29th 03 07:33 PM
by paul
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0 |
920 |
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0 |
948 |
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2 |
1,112 |
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0 |
1,163 |
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Win at Native American Casino's by
Indian Joe
Win at Native American Casino's
This 125 page book shows you how. Learn their payoff schedules and when to go and when not to go.
Includes the slot maps of the...
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0 |
848 |
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Plossl eye peices by
david
If I cannot get / expect excellent resolution from my current Arena
eye[eices, are the Plossl ones on ebay worth considering as an aftermarket
substitution?
D
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8 |
745 |
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WOW! by
david
I recently posted that my high power (6mm) eyepeice was no good. Mea
Culpa...I had not let the telescope thermally stabilise. Didn't know I had
to!
Toniht...
( 1 2)
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10 |
1,086 |
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Interesting New Book by
Book Reviews
Below are details of a new book that may be of interest.
(Also check out
http://www.amazon.co.uk/exec/obidos/ASIN/1904018866/etrex09-21 )
BOOK TITLE:
Why We...
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0 |
4,264 |
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Nederlands astroforum by
Marcel Kanon
Omdat hier voornamelijk engels wordt gesproken, heb ik een nederlandse
discussie groep geopenend...hij is te vinden op http://www.galaxies.nl
We hebben nog...
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4 |
1,575 |
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Announcing BackyardAstronomy.org by
Mark Rooney
As much as I am disdained at public postings of this nature on news groups,
they do tend to serve as a focused group for this particular...
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0 |
821 |