Astronomers can determine the mass, age, metallicity (chemical composition),
and many other properties of a star by observing its motion through space, ...
Dec 16, 2014 ... Learn how stars form, how stars and constellations are named, what ... by
Charles Q. Choi, Space.com Contributor | December 16, 2014 ...
Stars are cosmic energy engines that produce heat, light, ultraviolet rays, x-rays,
and ... The gas circles through space in cosmic dust clouds called nebulae.
Jun 14, 2015 ... Here's a collection of 10 unexpected, intriguing facts about the stars of ... on it, but
it also radiates back into space much more than it absorbs.
At the high core temperatures of a star
, atoms move so fast that they sometimes stick to other atoms when they collide with them, forming more massive atoms and releasing a great amount of energy. This process is known as nuclear fusion. (See image for picture of Pola... More »
Mar 22, 2012 ... With all the wonderful observation imagery compiled by NASA's Gateway to
Astronaut Photography of Earth, the stars can get left behind.
Feb 10, 2009 ... You might be surprised to know that there are 200-400 billion stars in our galaxy.
Each one is a separate island in space, perhaps with planets, ...
Basically, stars are big exploding balls of gas, mostly hydrogen and helium. ...
them on radio telescopes such as the ones in the Deep Space Network (DSN).
Jul 3, 2013 ... Stars are made out of dust clouds scattered throughout the space. The turbulence
within these dust clouds gives rise to knots which later on ...
? Is it true that in space a person is not able to see stars all around them like we
do here on Earth? No, I hear that ...