Any body out there who can offer assistance in the form of knowledge or just plain advise on building a radio telescope. I am a retired electronics instructor...

i have seen for many years that it is an accepted fact that the motion of the solar system through the galaxy describes a sine wave or a "porpoise-like" motion...

Is there a website where i can enter my coordinates and time so i can get a list of satellites that are near so i can see them?

Can anyone tell me how to call up pictures that the Cassini spacecraft is taking? Any or all. All I can get is about one a day. What address should I use ...

'Lo again all... I'm still trying to finish up my research on the galaxy itself... Could anyone offer if these items I've been able to track down so far are...

Weekend of 4/3-4/04 I had wanted to go out starting friday night, but a big t-storm that was 100 miles away started braking up and it sent a wave of clouds...

Hi Finally, I have reached the stage in my life where i can afford some of the things ive always wanted. One of these being something i can view the planets...

Most of these new planets they talk about I understand to have been discovered by Butler and Marcy. There's a planet in the pegasus constellation, it's only...

Hi everyone, Does anyone know where I can get a list of the dates at which the visible planets are invisible (because of their proximity to the sun from...

Just wanted to take a moment and say hello to everyone. New to the newsgroup and hope to participate / learn / and enjoy everyone's comments, theories and...

I have the Celestron 8i with the GPS. After a GPS alignment and just before the time verification the telescope is not pointing north or is not level. Is...

I got the telescope bug and went out and got one. After I figured out which end to point, I thought I'd check out some stars. Obviously, they look...

I assume it would appear 4 times bigger than the moon does in our sky...?

I apologize if this got posted twice..... Hello, I need to figure out which people have seen mo a lunar or a solar eclipse. Here is my theory, please...

can someone please explain what makes a meteorite zig zag to the extent that it distinctly noticeable to a number of viewers in different locations as per the...

EDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIFORNIA 91109....

I'm not a contributor here or even a lurker but I thought I'd ask some help on something I unexpectedly saw last week. Date of viewing: 26 June...

Analysis: Cassini a genuine human triumph By Phil Berardelli United Press International Washington, DC, Jul. 1 (UPI) -- NASA's spectacular feat of placing...

First off, let me say I am not being a conspiracy theorist, I really am interested in what this photo...

An historic international space mission to Saturn has reached the planet's orbit after a seven year journey. The £2 billion Cassini probe had to pull off a...