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Topic: Tycho (crater)

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	Tycho crater
		A spectacular ray crater that is the most prominent crater on the near side of the Moon.
		Tycho is about 85 km (53 miles across), with a depth of 4.8 km, and lies close to the Moon's south polar region at lunar coordinates 43.3° S 11.2° W. It was the target of the Surveyor 7 probe that touched down north of the crater in January 1968.
		Tycho features in the film and book 2001: A Space Odyssey as the location of TMA-1 (Tycho Magnetic Anomaly 1) which turns out to be one of the enigmatic monoliths placed in the solar system by an alien civilization.
	www.daviddarling.info /encyclopedia/T/Tycho_crater.html (309 words)

	Lunar Orbiter: Impact Crater Geology
		Impact craters are produced by the collision of a meteorite or comet with the surface of the Moon, which ejects material and leaves behind a crater.
		The crater Tycho, 85 kilometers in diameter, is the youngest large impact crater on the Moon's nearside.
		Tycho is in the lunar highlands, and the terrain surrounding the crater is quite rugged.
	www.lpi.usra.edu /expmoon/orbiter/orbiter-craters.html (648 words)

	Tycho Crater
		The freshness of the crater and the rays of material radiating from it suggest that this is a young crater; there has been little time to erode it.
		Tycho Crater appears close to the southern polar region of the Moon.
		The circular crater is surrounded by a bright ejecta blanket.
	www.lpi.usra.edu /education/timeline/gallery/slide_61.html (71 words)

	APOD: 2005 March 5 - Tycho and Copernicus: Lunar Ray Craters (Site not responding. Last check: 2007-11-06)
		During partial lunar phases, the craters along the terminator are cast in dramatic relief by strong shadows.
		In general, ray craters are relatively young as their rays overlay the lunar terrain.
		Crater Copernicus, surrounded by dark mare which contrast nicely with its bright rays, is 93 kilometers in diameter.
	antwrp.gsfc.nasa.gov /apod/ap050305.html (186 words)

	NASA - Crater Timings (Site not responding. Last check: 2007-11-06)
		The basic idea is to record the instant when the most abrupt gradient at the umbra's edge crosses the apparent centre of the crater.
		In the case of large craters like Tycho and Copernicus, it's recommended that you record the times when the shadow touches the two opposite edges of the crater.
		The average of these times is equal to the instant of crater bisection.
	sunearth.gsfc.nasa.gov /eclipse/OH/crater/Crater.html (293 words)

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	APOD: 2001 August 9 - Tycho and Copernicus: Lunar Ray Craters (Site not responding. Last check: 2007-11-06)
		binoculars or a small telescope, the Moon is pocked with impact craters.
		craters are relatively young as their rays overlay the lunar terrain.
		In fact, at 85 kilometers wide, Tycho, with its far reaching rays, is the youngest large
	antwrp.gsfc.nasa.gov /apod/ap010809.html (169 words)

	Lunar Orbiter to the Moon (1966 - 1967)
		The images at the top of the page show the Lunar Orbiter spacecraft with the high and medium resolution cameras at the center, and an image of the crater Tycho taken with the Lunar Orbiter 5 medium resolution camera.
		These images show the L.O. 5 high resolution camera view of part of Tycho crater (corresponding to the medium resolution view shown at the top of the page), and a Lunar Orbiter 2 northward oblique view of the Marius Hills in Oceanus Procellarum.
		The crater at the upper right of the image is Marius crater, 41 kilometers in diameter.
	nssdc.gsfc.nasa.gov /planetary/lunar/lunarorb.html (413 words)

	Clementine to the Moon (1994)
		The first image above shows Tycho crater (43S, 12W) from the UV/Vis camera with the 1000 nm filter.
		The image was taken on Orbit 40 on 28 Feb 1994, 13:17:00 UT at an altitude of 425 Km.
		It was taken on orbit 76 on 8 Mar 1994, 00:18:20 UT at an altitude of 444 Km.
	nssdc.gsfc.nasa.gov /planetary/lunar/clementine1.html (255 words)

	The Anomalies Network : Moon/Mars
		In the past people have asked me about many of the discoveries of anomalies on Mars like shaped stones, objects, the banyan tree shapes found by Arthur C. Clarke, the face and the alleged glass tubes and other interesting images.
		Tycho crater, located on the Moon's near side, is...
		The lunar crater Ukert is one of countless riddles of "our" Moon which is not what most people think.
	www.anomalies.net /page/moon_and_mars_anomalies (994 words)

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