http://www.bbc.com/news/science-environment-37453933 So, we all ready have one giant radio dish in S-America, what will this thing find what the other...

What happens if you ask an astrophysicist whether the Earth is flat? If that astrophysicist is Neil deGrasse Tyson, he first gives you a brutal side-eye that...

It is often reported that a minimum 6" of aperture is required to show the "ringness" of M57. . .anything less will only show a gray, oval-shaped object. This...

I'm new to this hobby and would like to be able to say some of the words related to it correctly, so if I ask for help I don't sound like a complete dumbass. ...

I saw this yesterday and checked SAA this morning to see if it was posted - did not see it. Here is the...

Hi all, My wife and I are planning an ocean passage with our sailboat next year and amongst a lot of other things we are learning celestial navigation. For...

Why can’t we see stars during the day? Is it because the sun or sunlight is too powerful and washes them out?

Just found this CNN article where measured cosmic radioactivity seems to indicate the universe is...

In another thread, Chris Peterson asked why people think that the Pleiades have seven stars. This is a question much discussed among ethnoastronomers, and...

Here are a few things already on their way you will see in 2004 Full Computerized GoTo Dobsonians, not just PushTo. 80mm 90mm 100mm 114mm and 120mm ED scopes...

Excuse my dumb question, but: How do I make purchases through Astromart? I have found an item on Astromart that I want to purchase. I have an Astromart user...

I'm sorry, but I have to ask again in this matter, there is too much evidence now out the 1. How was it possible, to stream video down to earth in 1969? ...

This could be a hoax but it's a reputable...

With the advent of the likes of the "Ortho-Apo" from Takahashi and all it's astounding tech specs, just how far can reinvention of refractor technology go?...

Hi, first, apologies if this is the wrong forum for this. I have been asked by a niece of mine if there is proof of the heliocentric model for the solar...

I actually have a new update on the site, this time on the Drake Equation, relating it to a classic formula from computer science (which hasn't been done, as...

In this post I discussed a method that 18th-century mariners might have been able to use to solve the "problem of the longitude": Newsgroups: sci.astro,...

This story is getting some buzz. Flight test of a 200 Kw version http://www.adastrarocket.com/aarc/VF200 is planned for 2012 or early...

You are seeing the first photos in raw formatt, wait until they have been run threw the computers and the color data added in and the ccd artaficts taken...

From time to time quite a few regular posters to this group invest time and effort trying to help Kelleher. For a number of reasons I suspect that we are all...