Hi, I'm hoping someone out there can help me with a problem I'm having with the setting circles on my telescope. I own a 4 1/2 inch Celestron Newtonian with a...

I had planed on sending this Dob over to my brother in Hawaii, but after the last few e-mails I said the H*LL with him, and now that my truck is broke down...

I'm holding my iron Florida meteorite in my hand as I type and it has pock marks every where. A few look deep(like tunnels) My questions are these. Were they...

What exactly would it take to stop the Earth's rotation? I mean what kind of a force must be produced to obtain this goal? And I don't mean that the planet...

I was casually checking the weekly mission data archived he- http://voyager.jpl.nasa.gov/mission/weekly-reports/index.htm when I noted the velocities of...

(I tried posting this to sci.space.new, sci.space.science and sci.astro a few days ago, but have yet to see that posting appear in the Google newsreader that...

I have a couple of questions that you lot will probably find a bit naive - Question 1 The precession of the Equinoxes causes the Earth's axis to describe...

Morning, everyone: For a project I'm working on, I need to be able to figure out (for the next year) the exact times that the sun and some of the planets will...

I imaged comet C2003 K4 LINEAR the other night and produced a short movie illustrating its relative motion of 2.9 arc seconds per minute against a star field...

I was having a rather off the wal l discussion and was wondering if anyone could tell me...if you know...how many mega joules would be released by typical star...

This recent study has proven that neutrinos do indeed have mass, thus upturning the Standard Model's prediction that they should...

The only "good" communist is a DEAD one! They just don't learn. Check out the Green Party as an example. It IS the communist party now... Saul Levy On...

http://photojournal.jpl.nasa.gov/catalog/PIA06407 http://photojournal.jpl.nasa.gov/catalog/PIA06405 Whether it's liquid, sludge, ice etc, the...

I have been attempting to download images from this and other groups and have found many that are just lines of alphanumeric gibberish. There must be some...

Last night I plopped in a 22mm eyepiece into a 4.25" Newtonian and was able to see Jupiter and three moons clearly, yet very small. I then put in the 4mm...

Some people online have been saying for a while now that astronomers know something that the rest of the world is not allowed to know about. Such things...

Hi Everyone, I am a graduate student in English, so I am by no means an expert in astronomy or physics. However, the sciences do interest me a great deal. ...

49 Mean Lunations are seconds short of 1447 days it is remarkable that no use of this relationship has been used for purposes such as the determination of...

Hi, I was looking at the Meade LX90 and the LX200, both 8" diameter. The LX200 is about 1000 euro more expensive, but apart from GPS, I can not explain the...

Hello everyone, I am a complete amateur as far as astronomy is concerned - but I love it. The only reason why I don't study astronomy is that you have to make...