http://www.universe99.com All about our great universe! Thu, 24 Jul 2008 14:48:44 +0000 http://backend.userland.com/rss092 en According to the astronomers first everything was an incredibly solid, heavy ball of a matter. This heavy ball exploded billion of years ago and as a result the Universe was formed. The moment of the explosion of this ball is known as “Big-Bang”. After this explosion the early universe was ... http://www.universe99.com/how-was-the-universe-created/ A binary star is a stellar system consisting of two stars orbiting around their center of mass. For each star, the other is its companion star. Recent research suggests that a large percentage of stars are part of systems with at least two stars. Binary star systems are very important ... http://www.universe99.com/what-is-a-binary-star/ What is a Neutron Star. A neutron star is a stellar remnant--a super-compressed object left over when stars with a mass between 1.4 and about 3 times the mass of our Sun exhaust their nuclear fuel and collapse inwards. The result is a condensed sphere of matter about 20 km across, ... http://www.universe99.com/what-is-a-neutron-star-how-it-is-formed/ Formation of Earth. Earth is the third planet from the Sun and the fifth largest. The Planet Earth was formed 4.6 billion years ago from the same nebula cloud of gas and dust that the Sun and the eight other planets were formed. Definition of Earth Earth is the only planet whose ... http://www.universe99.com/how-the-earth-was-formed/ A Star can be defined as a massive and luminous ball made of Plasma. Basically, a star is formed out of cloud of cool, dense molecular gas. To become a potential star, the clouds need to collapse and increase in density. Formation of stars can be of two ways: it ... http://www.universe99.com/formation-of-a-star/ What is a Shooting Star. A shooting star is another name for a meteoroid that burns up as it passes through the Earth's atmosphere. In other way we can say that a shooting star is the common name for the visible path of a meteoroid as it enters the atmosphere. A ... http://www.universe99.com/what-is-a-shooting-star/ When we see planet Mars from our earth it appears to be Red. For most of the planets, the red layer only covers a couple of millimeters & at its deepest, two meters. The red color comes from various oxides of iron in very, very fine particles, and trace amounts ... http://www.universe99.com/why-is-planet-mars-red/ Brilliant flashes of light in the solar atmosphere, lasting less than an hour, or even perhaps only a few seconds, are called Solar Flares. The brightest are visible in white light, but they are easier to see in the light of hydrogen or calcium lines. A flare is a highly ... http://www.universe99.com/what-are-solar-flares/ The sun is a typical star which is about 150 million km away from the Earth. Solar ennergy provides virtually all the heat & light which are received by our planets & it therefore sustains every living entity. The character of our own environment is strongly influenced by solar radiation ... http://www.universe99.com/definition-of-sun/ The Sun & major nine planets are the main bodies of our Solar System. In order of increasing distance from the Sun these are Mercury, Venus, earth, mars, Jupiter, Saturn, Uranus, Nepyune & Pluto. Sir William Herschel discovered Uranus in 1781 during a review of the entire sky which was ... http://www.universe99.com/what-are-the-orbits-of-the-planets/