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Sample Archive A to Z Index Astronomy is the science of celestial objects (e.g., stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere (e.g., auroras and cosmic background radiation). It is concerned with the evolution, physics, Chemistry, meteorology and motion of celestial objects, as well as the formation and development of the universe.
NewUniverse A to Z Index |
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Learn About the Solar System The Solar System or solar system comprises the Sun and the retinue of celestial objects gravitationally bound to it: the eight planets, their 162 known moons, three currently identified dwarf planets and their four known moons, and thousands of small bodies. This last category includes asteroids, Meteoroids, comets, NewUniverse The Solar System And Planets |
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Radio Telescopes Listen to the Universe A radio telescope is a form of radio receiver used in astronomy. In contrast to an "ordinary" telescope, which receives visible light, a radio telescope "sees" radio waves emitted by radio sources, typically by means of a large parabolic ("dish") antenna, or arrays of them. The first of these was the 9m telescope constructed by Grote Reber in 1937 NewUniverse Galaxies and Stars |
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Big Bang Opened the Universe Big Bang is the scientific theory that the universe emerged from a tremendously dense and hot state about 13.7 billion years ago. The theory is based on the observations indicating the expansion of space (in accord with the Robertson-Walker model of General relativity) as indicated by the Hubble Redshift of distant galaxies NewUniverse Big Bang Universe |
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Sun and Universe The Sun is the star of our Solar System. The Earth and other matter (including other planets, asteroids, Meteoroids, comets and dust) orbit the Sun, which by itself accounts for more than 99% of the solar system's mass. energy from the Sun-in the form of insolation from sunlight-directly or indirectly supports almost all life on Earth, and drives the Earth's climate and weather NewUniverse Sun Drives Solar Systems |
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Space Telescopes See Universe Chandra Observatory is the third of NASA's four Great Observatories. The first was Hubble Space Telescope; second the Compton Gamma Ray Observatory, launched in 1991; and last is the Spitzer Space Telescope. Prior to successful launch, the Chandra Observatory was known as AXAF, the Advanced X-ray Astrophysics Facility. AXAF was assembled and tested by TRW in Redondo Beach, California.
Since the Earth's atmosphere absorbs the vast majority of X-rays, they are not detectable from Earth-based telescopes, requiring a space-based telescope to make these observations
Space Telescopes View Universe |
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Comets Litter the Universe Comets are small bodies in the solar system that orbit the Sun and (at least occasionally) exhibits a coma (or atmosphere) and/or a tail - both primarily from the effects of solar radiation upon the comet's nucleus, which itself is a minor body composed of rock, dust, and ices. Comets' orbits are constantly changing: their origins are in the outer solar system NewUniverse Comets Litter Our Universe |
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Einstein and Relativity The theory of relativity, or simply relativity, refers specifically to two theories: Albert Einstein's special relativity and General relativity.
The term "relativity" was coined by Max Planck in 1908 to emphasize how special relativity (and later, general relativity) uses the Principle of Relativity. NewUniverse Einstein Explained the Universe |
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Charles Darwin The Natural Universe Natural world, physical universe, material world or material universe. "Nature" refers to the phenomena of the physical world, and also to life in general. The term generally does not include manufactured objects and human interaction unless qualified in ways NewUniverse Charles Darwin Natural Universe |
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Hubble Space Telescope Views Universe The Hubble Space Telescope (HST) was launched into orbit around the Earth on 25 April 1990. HST is an observatory first thought of in the 1940s, designed and built in the 1970s and 80s, and finally operational in the 1990s. The project was a new type of mission, as it was designed to have a long life span of 15 years. NewUniverse Hubble Space Telescope |
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Aliens in the Universe It would be ridiculous to believe, that among all of those billions of stars, there isn't at least a proportionate amount of other worlds: some more advanced than us, others less advanced than ourselves, and a whole lot on a par with our own stagnated development. NewUniverse Aliens in the Universe |
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Stars in the Universe Stars group together to form galaxies, and they dominate the visible universe. The nearest star is the Sun, which is the source of most of the energy on Earth, including daylight. Other stars are visible in the night sky, when they are not outshone by the sun. A star shines because nuclear fusion in its core releases energy which traverses the star's interior and then radiates into Outer space. NewUniverse Stars Fill the Universe |
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Space Shuttle Explores Universe Four space shuttles were initially constructed: Columbia, Challenger, Discovery and Atlantis. Challenger was destroyed on launch in 1986, and Endeavour constructed as a replacement. Columbia was destroyed on re-entry in 2003. NASA announced in 2004 that the Space Shuttle will be retired in 2010 NewUniverse Space Shuttle Explores Universe |
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Can We Go Beyond Light Speed? Maybe the greatest irony to prohibit belief in ufology, the study of ufos, is that of Einsteinian special relativity and the laws of physics. A problem that has always been neglected in ufological debate, and the discussion of how to move any propellant object across the universe NewUniverse Faster Than Light |