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Displaying Category 'astronomy'
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A new map of the valleys of Mars supports the theory that an ocean covered the entire northern hemisphere of Mars. It also shows a greater similarity between the mountain systems of Mars and the Earth than we thought now, according to a study by the Northern Illinois University and the Lunar and Planetary Institute in Houston, USA.
The researchers used an innovative computer program to produce a detailed global map of valley networks on Mars. This finding indicates that these networks are two times more extensive than indicated the only existing map of the planet.
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Armed with data from a thorough study of the sky in infrared and a sophisticated computer models, astronomers Andrew Benson and Nick Devereux have reproduced the development of galaxies over 13,000 million years, from the early universe to the present.
Galaxies are collections of stars, planets, gas and dust that make up the bulk of the visible universe. The smaller ones have a few million stars and the largest reach several billion.
The famous American astronomer Edwin Hubble, who named the famous space telescope, was the first ranked galaxies in the 30s of last century.
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The Gran Telescopio Canarias (GTC), installed at the Observatorio del Roque de los Muchachos (La Palma) has obtained deep images of an “unprecedented” in a neutron star, magnetar type, of which six are known, according to Monday the Institut d’Astrophysique de Canarias (IAC).
The IAC said in a statement that the star is observed as the official name SGR 0418 +5729, explaining that comments from the Gran Telescopio Canarias are unprecedented in the optical range for these objects and help to define the physical properties this celestial body with extremely intense magnetic fields.
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The Hubble Space Telescope of the NASA / ESA has discovered a lost bright elliptical galaxy in the universe and located 500 million light years from Earth, ESO 306-17, belonging to the kind of ‘fossil groups’, which they think was was isolated by devouring their neighboring galaxies.
“In general, we may assume that the galaxies are social and are often grouped together and interact, but the last image taken by the Space Telescope shows how some galaxies appear to be hungry lonely,” the European Space Agency (ESA).
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The CoRoT space satellite discovered the first Jupiter-like exoplanet allowing studies in detail when passing in front of its star. The discovery, led by a researcher at the IAC, it will be published in the journal Nature.
The CoRoT space satellite has discovered a Jupiter-sized planet orbiting a star like the Sun in the constellation of the Serpent, about 1,500 light years from Earth.
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