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Martian summer
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Martian summer begins in the northern hemisphere on the 30th March, 2012. Mars has an axial tilt of 25.2°. This means that there are seasons on Mars, just as on Earth. The eccentricity of Mars' orbit is 0.1, much greater than the Earth's present orbital eccentricity of about 0.02. The large ecce...
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Crater Keren
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The International Astronomical Union (IAU) has approved a new name for a crater on Mars. Keren for a 28.63-km-wide Martian crater located at 20.98°N, 337.5°E. The feature was named in honour of a town in Eritrea.
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Martian earthquakes
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Mars rocks indicate relatively recent quakes, volcanism, on Red Planet Images of a martian landscape offer evidence that the Red Planet's surface not only can shake like the surface of Earth, but has done so relatively recently. If marsquakes do indeed take place, said the scientists who analysed...
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Martian dust avalanches
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Meteorite Shockwaves Trigger Dust Avalanches on Mars Dust avalanches around impact craters on Mars appear to be the result of the shock wave preceding the actual impact, according to a study led by an undergraduate student at the UA. When a meteorite careens toward the dusty surface of the Red Plane...
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Syrtis Major Planum
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Mars Express reveals wind-blown deposits on Mars New images from ESA's Mars Express show the Syrtis Major region on Mars. Once thought to be a sea of water, the region is now known to be a volcanic province dating back billions of years. Syrtis Major can be spotted from Earth even with r...
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Sinai Fossae
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The International Astronomical Union (IAU) has approved a new name for an albedo feature on Mars. Sinai Fossae is a 585-km-wide Martian fossae (depression) located at 14.0°S, 281.0°E. The feature was named in honour of an Egyptian territory located in Asia.
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Martian dust avalanches
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Airbursts trigger dust avalanches on Mars The surface of Mars may be cold and desolate, but it is not unchanging. New images show that avalanches of dust scour dozens of Martian sites each year. Without the abundant water and plate tectonics that keep Earth's surface in motion, the surface of Mars is...
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Phlegra Montes
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Mountains and buried ice on Mars New images from Mars Express show the Phlegra Montes mountain range, in a region where radar probing indicates large volumes of water ice are hiding below. This could be a source of water for future astronauts. Phlegra Montes is a range of gently curving mountains an...
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Mars radiation
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Title: The Allen Telescope Array Search for Electrostatic Discharges on Mars Authors: Marin M. Anderson, Andrew P.V. Siemion, William C. Barott, Geoffrey C. Bower, Gregory T. Delory, Imke de Pater, Dan Werthimer The Allen Telescope Array was used to monitor Mars between 9 March and 2 June 2010, ov...
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Jarosite
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Syracuse University scientists discover new way to determine when water was present on Mars and Earth The discovery of the mineral jarosite in rocks analysed by the Mars Rover, Opportunity, on the Martian surface had special meaning for a team of Syracuse University scientists who study the miner...
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Hesperia Planum
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New Mystery on Mars' Forgotten Plains One of the supposedly best understood and least interesting landscapes on Mars is hiding something that could rewrite the planets history. Or not. In fact, about all that is certain is that decades of assumptions regarding the wide, flat Hesperia Planum are no...
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Ares Vallis
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Mars Express observes clusters of recent craters in Ares VallisOraibi crater in Ares Vallis Newly released images taken by ESA's Mars Express show an unusual accumulation of young craters in the large outflow channel called Ares Vallis. Older craters have been reduced to ghostly outlines by the s...
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Names for four Martian craters
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The International Astronomical Union (IAU) has approved new names for four craters on Mars. Palikir for a 21.5-km-wide Martian crater located at -41.6°S, 202.16°E. The feature was named in honour of the capital of the Federated States of Micronesia. Corozal for a 10.4-km-wide Martian crater loc...
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Eberswalde crater
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Eberswalde, formerly known as Holden NE, is a partially buried impact crater in Margaritifer Terra, Mars. Eberswalde Crater lies just to the north of Holden Crater, a large crater that may have been a lake. The 65.3-km-diameter crater, centered at 24°S, 33°W, is named after the German town of the sa...
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New names for three features on Mars
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The International Astronomical Union (IAU) has approved new names for three features on Mars. Lipany for a 50-km-wide Martian crater located at -0.24°S, 79.69°W. The feature was named in honour of a town in Slovakia. Oenotria Plana for a 925-km-wide Martian plain located at -8°S, 76°E. The featur...
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