these *UGLY GEEKS* should stick to BIOLOGY __________________________________________ FINAL DRAFT FOR WORLD-WIDE CIRCULATION: now with EMBEDDED...

FINAL DRAFT FOR WORLD WIDE CIRCULATION: please FWD appreciations to and SEE HOW WE CAUSED THE PRESIDENT OF...

The Earth's crust, the surface on which we daily walk and build our houses safely, in fact moves on a layer called the mantle which is denser than the crust....

If one wants to visually image spiral galaxy arms with a CCD 1.2K$ Not just detect something fuzzy there, but actually see the image the arms (You can pick...

If one wants to visually see spiral galaxy arms.... Not just detect something fuzzy there, but actually see the individual arms (You can pick the most...

Hi, Yes, I know it's visible even naked eye if you are lucky to be under dark skies. I am curious about the minimum aperture needed to make out any sort of...

Is it possible to estimate acceptable tolerance limits for declination drift, field rotation and periodic error, given a specific detector size, focal length...

.... method suffer if the scope is not level?

I am looking for some 2" Barlows, but I consider myself a budget astronomer. I found some barlows online from no-name brands for a relativlely nice price,...

Hi If I am looking at a star with the naked eye, then a) the rays (ie photons) of light should be coming at me parallel to each other b) my eyes should be at...

I am wondering because I thought the view through the eyepiece was the all-important factor yet I read reviews by people who seem to include fit and finish as...

US$1.99! Almost as much as a gallon of gasoline. I know i've bought it from that same store in the past for less than half that price. Question is, would i...

For examples sake, suppose one was visiting a region of the world where the skies were a 1 on the Bortle's light pollution scale. Would a full moon directly...

I use a Dakin 2.4x barlow with my CCD camera. Until a week ago, the CCD focal point rested just at the end of the barlow length. Now that I've added a filter...

Given Titan's cloud cover and distance from the sun, is it possible the spacecraft will land in a pitch-black surrounding? Even if there is no cloud cover...

How Much of the Space Program Deserves Our Support? I was motivated to start this thread by recent comments posted by Mr. Kickerston, regarding his views on...

I have a conceptual problems, If something is used and I can buy it new from a dealer and get the warranties, Am I wrong at wanting to pay no more than 75% of...

I have a brand new, in the box ETX90AT with the new Autostar controller, soft case for same, tripod w/softcase, 4 piece color filter set, & a 2x Barlow. I...

I want to be able gaze at the Moon, the local planets and a glance or two at something like the Seven Sisters now and then. I doubt my reentry into viewing...

The National Aeronautics and Space Administration fared well in the administration's 2007 budget proposal, gaining a $16.8 billion increase. The NASA spending...