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Latest Star Stories

Giant Gas Cloud Spotted By Telescope On Antarctica's Ridge A
2014-02-21 08:19:35

Using a telescope installed at the driest place on earth - Ridge A in Antarctica – a UNSW-led team of researchers has identified a giant gas cloud which appears to be in an early stage of formation.

2014-02-20 20:23:47

Marne Mayer Joins Muscle & Fitness as Art Director as the Brand Invests to Broaden Its Editorial Content to Cater to Today's Male Fitness Enthusiast NEW YORK, Feb.

Two Sources Of Helium Produced By Ancient Yellowstone Activity
2014-02-20 07:33:51

As one might expect, Yellowstone National Park’s hot springs, geysers and other hydrothermal vents release gases stored deep below the Earth, including carbon dioxide and methane. Another gas has also been discovered to be squeaking out of Yellowstone’s vents.

radioactivity in a supernova remnant
2014-02-20 05:54:04

For the first time, astronomers have peered into the heart of an exploding star during the final minutes of its life.

2014-02-19 16:20:08

WASHINGTON, Feb.

2014-02-19 12:32:29

ROCKVILLE, Md., Feb. 19, 2014 /PRNewswire/ -- Today Choice Hotels International, Inc. (NYSE: CHH) launched an online system, Verified Reviews, for ChoiceHotels.com.

2014-02-19 12:21:28

Two Hour Special Premieres Friday, March 14 at 8 PM ET/5 PM PT WASHINGTON, Feb.

2014-02-19 08:26:46

BEIJING, Feb. 19, 2014 /PRNewswire/ -- European luxury hotel company Kempinski's largest property in China will be unveiled in May 2014.

2014-02-19 04:21:56

OSCAR-NOMINATED "HAPPY" A WORLDWIDE SMASH NEW YORK, Feb.

Astronomers Discover Drastic Chemical Change In The Birth Of A Planetary System
2014-02-14 04:33:39

A team of scientists led by the University of Tokyo say that the chemical compositions of an interstellar cloud and the disk are not identical.


Latest Star Reference Libraries

Stellar Astrophysics
2014-01-12 00:00:00

The prominent feature that allows for the existence of life on Earth is the Sun. Radiation from our closest star provides heat and energy to our planet, driving biological processes and providing the necessary conditions for liquid water to naturally exist. But our Sun is only but one star in this vast Universe. And as it turns out, most stars are quite different than the one that illuminates our day. For this reason, scientists have, for hundreds of years, attempted to study the other...

7_9d2e259c13e5a649c6295922288878812
2004-10-19 04:45:43

UV Astronomy -- UV astronomy is the branch of astronomy and astrophysics which deals with objects visible in ultraviolet (UV) radiation. UV radiation ranges approximatively from 10nm (extreme UV) to 380nm (near UV). Ultraviolet line spectrum measurements are used to discern the chemical composition, densities, and temperatures of interstellar medium, and the temperature and composition of hot young stars. UV observations can also provide essential information about the evolution of...

7_4b235c0bfbfc8504a41844f9c48ad8962
2004-10-19 04:45:43

Hertzsprung-Russell Diagram -- In stellar astronomy, the Hertzsprung-Russell diagram (H-R diagram) shows the relation between the absolute magnitude and the spectral types of stars. It was invented around 1910 by Ejnar Hertzsprung and Henry Norris Russell. There are two equivalent forms. One is the observer's form which plots the color of the star on one axis and the absolute magnitude on the other axis. The theoretician's form plots the temperature of the star on one axis and the...

6_1446abbc556d86191d7944d6c5cf68052
2004-10-19 04:45:43

X-ray Burster -- X-ray bursters are a class of binary stars which are luminous in X-rays. They contain a neutron star and a low-mass companion star. The companion fills its Roche lobe and therefore the neutron star is accreting matter from it. The inflowing gas forms an accretion disk around the neutron star. Sometimes X-ray bursters show a sudden increase in their X-ray luminosity, called X-ray burst. All properties of the X-ray bursts can be explained assuming that they result from...

6_f1577ee462b741c03ef6a7d23d2cd6905
2004-10-19 04:45:43

Variable Star -- Most stars are of nearly constant luminosity. Our own Sun is a good example which goes through practically no measurable variation in brightness. There are, however, stars which do vary in brightness, called variable stars. They fall into two main groups: Intrinsic variables These are stars which have intrinsic variations in brightness, that is the star itself gets brighter and dimmer. There are many types of intrinsic variables, the main types being: -- Mira...

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Word of the Day
obdormition
  • Sleep; the state or condition of being asleep.
  • The state or condition of numbness of a part due to pressure on a nerve: as, the obdormition of a limb.
The word 'obdormition' comes from a Latin word meaning "to fall asleep".
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