Space

What is Retrograde Motion of the Planets?
As we view the motion of the planets, they normally move from east to west. Yet, once in awhile they will seem to change direction and move backwards.This latter is what is referred to as Retrograde Motion of the planets. History of Retrograde Motion...

Published by SBrno (1,699 pts ) on Nov 9, 2009 to
Space Articles
Astronomical Distance Measurements
The distances between the planets, and especially the stars and galaxies, are so vast the measurements we use here on Earth, kilometers and miles, are too cumbersome. Astronomers have developed other units to measure distances in the solar system and...

Published by George Adcock (3,791 pts ) on Nov 8, 2009 to
Space Articles
Spacewalking Is Not As Easy As It Looks
Video and pictures of spacewalking make it look effortless, but getting ready for a spacewalk is an elaborate process that takes quite a bit of time. Find out just how involved the process is by reading on! Getting ready for an extra-vehicular activity...

Published by Sean Fears (5,850 pts ) on Nov 7, 2009 to
Space Articles

Nothing But the Facts About Jill Tarter
Dr. Jill Tarter is the Director of the Center for SETI Research, the program that searches the sky for alien life using radio frequencies. Tarter is one of the most awarded scientists working in the field of astronomy today and notable for her characterization...

Published by Jason C. Chavis (4,350 pts ) on Nov 7, 2009 to
Space Articles
Excalibur Almaz Limited - Another Contender for Commercial Space Flights
Excalibur Almaz Limited - an international space exploration company, headquartered in Isle of Man - holds the key to affordable space tourism. Working on the abandoned Soviet space project Almaz, the company intends to make its first revenue flight by...

Published by Huzefa Johar (130 pts ) on Nov 7, 2009 to
Space Articles
Nothing But The Facts About Neil Armstrong - First Man on the Moon
Everybody knows that Neil Armstrong was the first man on the Moon. But there are other interesting facts in Armstrong's life, that are not so commonly known. He was a hero of the Korean war, and suffered several accidents during his test-pilot career...

Published by johnsinit (12,600 pts ) on Nov 1, 2009 to
Space Articles

Amateur Asteroid Hunting: What's Needed and How To Do It
The idea of hunting for asteroids inspires images of a massive boulder hurtling on a destructive path towards Earth, ready to display its terrifying power and wipe out humankind in the same way the dinosaurs met their end. But you can take part in the...

Published by Bree E. Underwood (3,306 pts ) on Oct 30, 2009 to
Space Articles
Are We At The Center Of The Universe?
Are we at the center of the universe? Is there a uniform distribution of matter and energy around us to indicate that we may be at the center? What does the evidence indicate? If All Galaxies Are Moving Away From Us, Does This Mean We Are...

Published by George Garza (1,900 pts ) on Oct 29, 2009 to
Space Articles
Re: The Moon or Mars? That is the question.
Jason, I agree with your enthusiasm. We can accomplish great things but we need the motivation. Unfortunately, I don't see a lot of motivation to move out into space at this time. Humans tend to rally when faced with significant challenges as the...

Published by RC Davison (3,079 pts ) on Oct 29, 2009 to
Space Discussions
Nothing But The Facts About The Constellation Orion
The Orion constellation is second only to the constellation of the Big Dipper in recognizability. The constellation was well known to the ancient Greeks with its own hero's and villains and is one of a handful of constellations that are visible from...

Published by George Garza (1,900 pts ) on Oct 29, 2009 to
Space Articles