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Stellar Classification

How can you talk about stars if you don't know how they are classified -- or, if you don't know what the different classification systems out there are? This article goes through and describes the basic structure of the Harvard and Yerkes spectral classification systems and how they're used.

Published by allychevalier (14,652 pts ) on Oct 28, 2009 to
Space Articles
Facts and History about the Geminid Meteor Shower

The Geminid meteor shower is so named because its trail of meteors is traced back to the region of the constellation Gemini. The Geminid shower produces the brightest meteors of any shower. A spectacular event is expected on the 13th and 14th December 2009.

Published by Sushma (3,052 pts ) on Oct 28, 2009 to
Space Articles
LCROSS’s Impact On the Moon (October 9, 2009): What Is It All About?

The much talked about event of LCROSS impact on moon, was successfully executed on October 9, 2009. This mega event had a lot of apprehensions and expectations. It may reveal some long awaited questions about the moon, which may change the history of mankind. Did we learn anything so far?

Published by Sushma (3,052 pts ) on Oct 28, 2009 to
Space Articles

BOSS, the Baryon Oscillation Spectroscopic Survey – looking for dark energy

The expansion rate of the Universe is increasing, not slowing down. How is that possible? The problem is that studying ordinary matter and energy, scientists are unable to account for the expansion. So scientists suspect that some other type of energy was the source of the expansion, Dark Energy,

Published by George Garza (1,900 pts ) on Oct 28, 2009 to
Space Articles
Nothing but the Facts About the Constellation Libra

The constellation Libra is a faint collection of stars positioned between Virgo and Scorpius. Named Libra because of its resemblance to scales, its brightest stars come together to form a quadrangle. Libra is also represented as one of the signs of the Zodiac.

Published by Jason C. Chavis (4,350 pts ) on Oct 27, 2009 to
Space Articles
How To Track the International Space Station From the Ground

Wondering when the next time the International Space Station will be flying over your house? It's easy to keep track of the ISS and discover when you can make a sighting of one of NASA's most exciting projects today!

Published by Bree E. Underwood (3,306 pts ) on Oct 27, 2009 to
Space Articles

What is the IAU?

The IAU is the International Astronomical Union, a dynamic, engaged international organization made up of professional astronomers. This organization is a leading scientific body that encourages the study of astronomy worldwide.

Published by johnsinit (12,600 pts ) on Oct 27, 2009 to
Space Articles
Leonid meteor shower: The History and Facts behind it!

The annual Leonid meteor shower is a result of the tiny bits of debris and sand particles blown off from comet Temple -Tuttle. This amazing meteor shower forms a spectacular event every year in November . Let us explore some historical and astronomical facts behind the Leonid meteor shower events.

Published by Sushma (3,052 pts ) on Oct 27, 2009 to
Space Articles
The Eleventh Dimension--String Theory, Supersymmetry and Super Gravity

The development of string theory has caused an upheaval in subatomic physics. While problems with the theory remain, it seems to answer many questions left open by the Standard Model. Perhaps most importantly, it predicts the particle that carries gravity.

Published by George Adcock (3,791 pts ) on Oct 26, 2009 to
Space Articles
Stellar Motion: Do Stars Really Move?

Do stars really move? We look at the night sky and the stars appear fixed in the heavens. But they do move and you can see them move if you know where and how to look. But the most exciting thing about this is that the driving force behind this motion is a black hole at the center of our galaxy!

Published by RC Davison (3,079 pts ) on Oct 26, 2009 to
Space Articles