Hi all, I am reading that apeture isn't that important for astro-photography as compared to f/stop. Does this mean that I can take just as good photos...

Newbie question here...Do you think it is beyond this newsgroup to discuss in as basic terms as possible the complications of going to orbit, and moving from...

Is it the feeling of the group here generally that we should keep Hubble, deploy Webb, bag the moon, and put a footprint on mars?

OrionCA wrote: As a rule, anyone who begins a post with "the great God-fearing President GW Bush" should be suspected of trolling. Even GWB's inner ...

Anyone know a link that explains how they work (optical diagrams etc). Martin -- Replace username: mlewicki Relpace dot delimited numbers with ozemail com au

Big Bertha Thing gamma Cosmic Ray Series Possible Real World System Constructs http://web.onetel.com/~tonylance/gamma.html Access page JPG 81K...

If there was a big bang then there should be an empty space in the middle where the epicentre is because all the matter would have moved outward at high speed...

Here is the link to the pictures of Mars life and art, taken on the Mars surface by Spirit and Opprtunity rovers: click!...

On Thu, 1 Apr 2004 16:22:09 -0600, CeeBee wrote (in message ): From: CeeBee...

Optical performance has always been limited by the glasses employed. Those who claim to have a secret configuration that uses ordinary glass, but eliminates...

I know it's math but it does fit in some way into astronomy field which is why I'm posting here. I don't understand following question... Can anyone telll me...

Hi, I'm a newbie. After reading about Mars' past, I was wondering if Earth could have a similar fate. Apparantly, mars lost its warming greenhouse gasses...

Now that Spirit is starting close up science investigations on Martian soil, I have a few thoughts on the geology aspects:- What was lacking for me in the...

I would guess they'd pick up a tiny bit of speed as the pull of the sun became less on them. Not talking great amounts, maybe a few feet per min. -- Dragons...

Hi all I have been messing about with a 70mm (F10) really cheap newtonian. I have centred the secondary by marking its centre and adding cross hairs to...

"jabriol" wrote in message ... based on scientific observation. Is Rape part of human...

Hi all, I don't know how many of you are familiar with the comic Foxtrot, but their march 11 strip is cute. http://www.ucomics.com/foxtrot/2004/03/11/ Craig

Anyone have this ?

Thinking about the inverse square law a lot lately. I came to realize if gravity worked by simple proportions our attraction to the Sun would be stronger than...

We have returned from the Perseus arm and are once again back with you in the Orion spur. In our zest to learn more about you, we appear to have been a little...