NRAO - the National Radio Astronomy Observatory

A brief movie highlighting the Science and Technology behind NRAO's instruments: the Very Large Array (VLA) and its expansion (EVLA); the Green Bank Telescope (GBT); the Very Long Baseline Array (VLBA); and the Atacama Large Millimeter-wave Array (ALMA). For more details see www.nrao.edu.
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"Aliens Ate My Demomaker" - breakpoint 2005 invitation by mfx & Kewlers

"Aliens Ate My Demomaker" - breakpoint 2005 invitation by mfx & Kewlers, Credits & Info www.pouet.netAuthor: DaDEMOSCENESource:

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What is a good telescope for a ten year old child?

by kern.justin
Question by ccisa3@sbcglobal.net: What is a good telescope for a ten year old child?
My son wants one for Christmas. I have found tons on Ebay in different price ranges, of course-but I have no clue what is junk and what is good. I don't want to spend hundreds on his first one because I am not positive how far he will go with Astronomy. I need to get it ordered in the next couple of days so I can get it on time. Thanks for any ideas.


Best answer:
Answer by Patrick KA

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Travel To South America - The Three Faces of South America

There it is, plenty of mountains, beaches, adventures and history, all at an affordable price. What are you waiting for your next trip to South America?
As a matter of fact, if you are reading this, you have already decided to go there or, at least ,you are thinking about it. But, where to? I will show you my three favorite locations in South America, you choose by your own.
Peru: Macchu Picchu and The Inca’s Road
Are you the kind of person interested in history and archeological marvels

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What's the sniper's aim?!

When we mention the idiom "sniper" most of us imagine the sniper games, like the celebrated Counter Strike, or some motion picture with an isolated ranger who is enigmatic, very focused and precise, works alone with his guns that point with red light, like the guy in the motion picture Shooter.According to the definition "sniper" is an eminently trained soldier who specializes in bringing down targets with modified rifles from especially long distances. These soldiers are also well trained

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What part of a telescope or observatory corresponds most closely to the parts of your eye; iris, cornea, pupil?

Question by Elle Antoinette: What part of a telescope or observatory corresponds most closely to the parts of your eye; iris, cornea, pupil?
lens, retina, rods, fovea, brain?


Best answer:
Answer by Search first before you ask itThe objective (lens in a refractor, mirror in a reflector) correspond to the pupil of the eye. Thus when calculating the light increase of a telescope aperture over the human eye, the pupil is what is used to compare.

The cornea would be the telescope dome. The

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Have you Ever had to Travel at the Last Minute?

live.pirillo.com - Travel can be expensive, and last-minute travel is even worse! If you've ever had to do this, you know it can be a major pain in the pocketbook.Author: lockergnomeSource:

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