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Topic: Nicholson crater (Moon)

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	Nicholson (lunar crater) - Wikipedia, the free encyclopedia
		Nicholson is a lunar impact crater located at the western limb.
		The crater is also viewed at a very oblique angle, so it is seen from the side when observed from the Earth.
		The Nicholson crater is located in the Montes Rook, a ring-shaped mountain formation that encircles the immense Mare Orientale feature.
	en.wikipedia.org /wiki/Nicholson_(lunar_crater) (199 words)

	Seth Barnes Nicholson - Wikipedia, the free encyclopedia
		Nicholson was born in Springfield, Illinois and was raised in rural Illinois.
		They used a vacuum thermocouple to measure the infrared radiation and thus the temperature of the Moon which led to the theory that the Moon was covered with a thin layer of dust acting as an insulator, and also of the planets, sunspots and stars.
		The Asteroid 1831 Nicholson, Nicholson crater on the Moon, Nicholson crater on Mars, and Nicholson Regio on Ganymede were named after him.
	en.wikipedia.org /wiki/Seth_Barnes_Nicholson (342 words)

	Zoom Astronomy Glossary: C
		Calypso is one of the 18 moons of Saturn.
		Impact craters are the remains of collisions between an asteroid, or meteorite and a planet, planetoid, or moon.
		The Cygnus loop is a nebula, a supernova remnant in the constellation Cygnus.
	www.enchantedlearning.com /subjects/astronomy/glossary/indexc.shtml (5823 words)

	Triton_(moon) - The real meaning from Timesharetalk wikipedia (Site not responding. Last check: 2007-11-03)
		Triton is unique among all large moons in the solar system for its retrograde orbit around the planet (i.e., it orbits in a direction opposite to the planet's rotation).
		The small outer moons of Jupiter and Saturn also have retrograde orbits, as do three of Uranus' outer moons, but the largest of them (Phoebe) has only 8% of the diameter (and 0.03% of the mass) of Triton.
		Moons in retrograde orbits cannot form out of the same region of the solar nebula as the planets they orbit, but must be captured from elsewhere or turn retrograde through collision.
	www.timesharetalk.co.uk /wiki.asp?k=Triton_(moon) (2312 words)

	Seth Barnes Nicholson FACTS AND INFORMATION (Site not responding. Last check: 2007-11-03)
		Nicholson was born in and was raised in rural.
		They used a vacuum to measure the infrared radiation and thus the temperature of the which led to the theory that the Moon was covered with a thin layer of dust acting as an insulator, and also of the planets, sunspots and stars.
		The, Nicholson crater on the, Nicholson crater on Mars, and on Ganymede were named after him.
	www.webguidelive.com /en/Seth_Barnes_Nicholson (251 words)

	Ganymede
		Craters with such a 'central pit' are common across Ganymede and are especially intriguing since they may reveal secrets about the structure of the satellite's shallow subsurface.
		The two craters in the center of the image lie in the ancient dark terrain of Marius Regio, at 40 degrees latitude and 201 degrees longitude, at the border of a region of bright grooved terrain known as Byblus Sulcus (the eastern portion of which is visible on the left of this image).
		The craters are situated in a region of bright grooved terrain named Byblus Sulcus, located in the northern part of Marius Regio at 39 degrees latitude and 201 degrees longitude.
	www.resa.net /nasa/ganymede.htm (2869 words)

	The Nine Planets Glossary
		the inclination of a planet's orbit is the angle between the plane of its orbit and the ecliptic; the inclination of a moon's orbit is the angle between the plane of its orbit and the plane of its primary's equator.
		where p' is the density of the planet, p is the density of the moon, and R is the radius of the planet.
		The average period of revolution of the moon around the earth in reference to a fixed star, equal to 27 days, 7 hours, 43 minutes in units of mean solar time.
	www.nineplanets.org /help.html (4842 words)

	Orbit Encyclopedia Articles @ LaunchBase.net (Launch Base) (Site not responding. Last check: 2007-11-03)
		There are also specific terms for orbits around particular bodies; things orbiting the Sun have a perihelion and aphelion, things orbiting the Earth have a perigee and apogee, and things orbiting the Moon have a perilune and apolune (or, synonymously, periselene and aposelene).
		The equations of motion of the moon, planets and other bodies are known with great accuracy, and are used to generate tables for celestial navigation.
		Mars' innermost moon Phobos is a prime example, and is expected to either impact Mars' surface or break up into a ring within 50 million years.
	www.launchbase.net /encyclopedia/Orbit (2810 words)

	Sculpted by Wind and Water :: Astrobiology Magazine ::
		Large craters often have this kind of central peak, which forms when material rebounds after a meteor impact, but Nicholson Crater's peak is heavily eroded by wind and water.
		Nicholson Crater, measuring approximately 100 kilometers wide, is located at the southern edge of Amazonis Planitia, north-west of a region called Medusae Fossae.
		The tall feature in the center of this hill is the central peak of the crater, which forms when the surface material rebounds' after being compressed during the formation of an impact crater.
	www.astrobio.net /news/article1653.html (418 words)

	Nicholson Crater On Mars
		Nicholson Crater, measuring approximately 100 kilometres wide, is located at the southern edge of Amazonis Planitia, north-west of a region called Medusae Fossae.
		Located in the centre of this crater is a raised feature, about 55 kilometres long and 37 kilometres wide, which extends to a maximum height of roughly 3.5 kilometres above the floor of the crater.
		The tall feature in the centre of this hill is the central peak of the crater, which forms when the surface material 'rebounds' after being compressed during the formation of an impact crater.
	www.marsdaily.com /reports/Nicholson_Crater_On_Mars.html (598 words)

	Presentation (Site not responding. Last check: 2007-11-03)
		In the ancient culture of Native Americans, the moon served as a timekeeper and calendar, a schedule to plant and harvest crops by, an indicator for prime hunting times, and served as a mythological icon for folklore and ritual.
		Coastal tribes used the moon to capture as much fish as possible, knowing that sea life reproducing in synch with full moons were vulnerable, and often out of water and easily collected.
		The connection between the moon and women in Native American culture is strong, and is an important part of the identity of contemporary Native women.
	academic.evergreen.edu /curricular/astro/astro99/luna/presentation.htm (590 words)

	The Bruce Medalists: Seth B. Nicholson
		Seth Nicholson was born and raised in rural Illinois and became interested in astronomy as an undergraduate at Drake University.
		As a graduate student at the University of California he was photographing the recently-discovered eighth moon of Jupiter with the 36-inch Crossley reflector when he discovered a ninth.
		Nicholson also made a number of eclipse expeditions to measure the brightness and temperature of the solar corona.
	www.phys-astro.sonoma.edu /BruceMedalists/Nicholson (243 words)

	JUPITER'S Moons - EnchantedLearning.com
		The moons of Jupiter are (in order by their distance from Jupiter): Metis, Adrastea, Amalthea, Thebe, Io, Europa, Ganymede (the biggest), Callisto (the second biggest), Leda (the smallest), Himalia, Lysithea, Elara, Ananke, Carme, Pasiphae, Sinope, and many newly-discovered moons that haven't been named yet.
		Ganymede is the largest moon of Jupiter, a large, icy, outer moon that is scarred with impact craters and many parallel faults.
		This moon is 3 miles (5 km) in diameter and has an irregular orbit roughly 15 million miles (24 million km) from Jupiter.
	www.enchantedlearning.com /subjects/astronomy/planets/jupiter/moons.shtml (1408 words)

	Chapter 16 - Geology of Ganymede
		Smaller craters are seen as bright circles on the crater floors and in the surrounding areas.
		The craters postdate the grooved terrain since each is surrounded by swarms of smaller craters formed by material which was ejected out of the crater as it formed, and which subsequently reimpacted onto the surrounding surface.
		The crater to the north, Gula, which is 38 kilometers (km) in diameter, has a distinctive central peak, while the crater to the south, Achelous, (32 km in diameter) has an outer lobate ejecta deposit extending about a crater radius from the rim.
	lasp.colorado.edu /JUPITER/CH16/Ch16.html (7437 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		Although crater ejecta is frequently suggested as material that should be sampled by a spacecraft during a traverse, such stops are rarely justified.
		It is the traverse up to the crater rim crest where material at depth is gradually exposed; the deepest material being exposed directly at the rim crest, typically from a depth equivalent to 1/10th the crater diameter.
		Crater numbers are 89 +- 15 craters >1 km/10^6 km^2, similar to values obtained by [2,3], indicating a stratigraphic age of Upper Amazonian and an absolute age of 200-500 Ma [1].
	www.lpi.usra.edu /meetings/programs/mesurwa.txt (10199 words)

	Uranus - Moons
		In 1997, two moons [Uranus XVI (Caliban) and XVII (Sycorax)] were discovered using the 200-inch Hale telescope at the Palomar Observatory in California, USA.
		Uranus and its five major moons are depicted in this montage of images acquired by the Voyager 2 spacecraft during its January 1986 flyby of the planet.
		Ten new moons of Uranus were discovered by Voyager in 1985 and 1986.
	www.nasm.si.edu /ceps/etp/uranus/uran_moons.html (565 words)

	[No title]
		Craters that are between 30 and 40 km in diameter are either regarded as simple craters or complex craters.
		By comparing craters formed by volcanoes on earth to lunar craters, he gathered much data on the differences of these two types of craters and proved his point that the lunar craters were mainly formed by meteoric impact.
		This crater is obviously similar to the surface of the moon, due to the fact that astronauts used it for training between 1965 and 1966.
	jrscience.wcp.muohio.edu /nsfall02/labpacketArticles/B.html (3812 words)

	ESA - Mars Express - ‘Butterfly’ impact crater in Hesperia Planum
		A large elliptical impact crater is visible within the scene, measuring approximately 24.4 km long, 11.2 km wide and reaching a maximum depth of approximately 650 metres below the surrounding plains.
		This appears to be an impact crater that was subsequently resurfaced by lava flows, preserving the outline of the underlying crater.
		The long axis of the impact crater is viewed as the impacting direction of the projectile.
	www.esa.int /SPECIALS/Mars_Express/SEMZLM8A9HE_0.html (388 words)

	Cornell News: Saturn's moon, Phoebe
		A digitally rendered shape model of Phoebe was constructed using Cassini imaging data obtained before and after the spacecraft's close flyby of the Saturnian moon on June 11, 2004.
		After Cassini's flyby of the moon he noted important differences between the surface of Phoebe and that of rocky asteroids which have been seen at comparable resolution.
		The water ice, she said, seems to be associated with a very bright material and there are bright craters and areas that seem to be rich with ice.
	www.news.cornell.edu /releases/June04/Cassini.pressconf.deb.html (737 words)

	RedOrbit - Gallery - Perspective view of crater with water ice - looking east (Site not responding. Last check: 2007-11-03)
		It shows an unnamed impact crater located on Vastitas Borealis, a broad plain that covers much of Mars's far northern latitudes, at approximately 70.5° North and 103° East.
		The crater is 35 kilometres wide and has a maximum depth of approximately 2 kilometres beneath the crater rim.
		The circular patch of bright material located at the centre of the crater is residual water ice.
	67.15.46.16 /images/gallery/mars_express/perspective_view_of_nicholson_crater_central_peak__looking_west/109/76/index.html (167 words)

	Catalog Page for PIA01612
		On the left is a crater that has been torn apart by tectonic forces.
		The pair of oblong craters on the right was formed by the impact of a gravitationally bound pair of asteroids or a split comet.
		The oblong shapes of the craters suggest that the impactors struck the surface at a shallow angle.
	photojournal.jpl.nasa.gov /catalog/PIA01612 (301 words)

	Deep Impact-Meteoric Effects on the Lunar Surface
		By viewing craters through the telescope, we were hoping to be able to view each crater and determine the size of the impacting object that had made it.
		We believe that the high velocity with which meteors strike the surface of the moon causes the craters to be round regardless of the angle at which they struck the moon.
		Craters on earth do not always follow this pattern, but our theory on this is that the atmosphere of earth slows the projectile enough that these objects hitting the earth are more similar to our experiment with flour.
	jrscience.wcp.muohio.edu /nsfall02/FinalArticles/DeepImpact-MeteoricEffect.html (5247 words)

	Water Ice In Crater At Martian North Pole
		The unnamed impact crater is located on Vastitas Borealis, a broad plain that covers much of Mars's far northern latitudes, at approximately 70.5° North and 103° East.
		There is a height difference of 200 metres between the crater floor and the surface of this bright material, which cannot be attributed solely to water ice.
		Faint traces of water ice are also visible along the rim of the crater and on the crater walls.
	www.marsdaily.com /news/marsexpress-05y.html (540 words)

	European Astrobiology Magazine :: Search for Life in the Universe
		The Opportunity rover is surveying the rim of Endurance crater, while also walking a line in its delicate power management.
		One of the most intriguing views that the rover Spirit may bear witness to is a solar eclipse by its potato-shaped moon, Phobos.
		In 1968, when Apollo 8 became the first manned mission to orbit the moon, the crew's dramatic Christmas Eve recitation from the Book of Genesis was broadcast back to all those on the 'good Earth'.
	euro.astrobio.net /news/modules.php?op=modload&name=News&file=index&catid=&topic=6&allstories=1 (6858 words)

	Nicholson Crater \| Astronomy Blog
		With Mars Reconnaissance Orbiter (MRO) on its way to Mars, I thought I would post an image from the little red planet.
		It shows the central part of Nicholson Crater which is almost exactly on the martian equator at 195.5° East - it sits at the southern end of the Amazonis Planitia.
		The image was taken with the HRSC instrument and is a perspective view - there are also views from directly above and one from a different angle to give you a better view of the crater edge (very top of the image) and the central mountain.
	www.strudel.org.uk /blog/astro/000312.shtml (240 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		In both the movie and the 3D image, craters are visible on the moon's surface down to the limit of resolution, about 1 kilometer per pixel.
		Additional articles on this subject are available at: http://www.spacedaily.com/news/mars-mers-05zzx.html http://www.spacedaily.com/news/mars-mers-05zzy.html http://www.spacedaily.com/news/mars-mers-05zzza.html http://www.spacedaily.com/news/mars-mers-05zzzb.html _____________________________________________________________________ MARS EXPRESS: NICHOLSON CRATER ON MARS ESA release 15 July 2005 These images, taken by the High Resolution Stereo Camera (HRSC) on board ESA’s Mars Express spacecraft, show Nicholson Crater, located at the southern edge of Amazonis Planitia on Mars.
		Located in the centre of this crater is a raised feature, about 55 kilometers long and 37 kilometers wide, which extends to a maximum height of roughly 3.5 kilometers above the floor of the crater.
	www.lyon.edu /projects/marsbugs/2005/20050718.txt (9376 words)

	New Galileo Images Of Ganymede Available On July 15
		They reveal impact craters with unusual pedestals, dark ejecta haloes, evidence of tectonic activity and possible signs of icy volcanic flows.
		A crater chain seems to be the result of impacts from a broken-up comet, like the 1994 Shoemaker-Levy impact on Jupiter.
		Its distinctive surface is composed half of bright water ice, and half of older, dark, heavily cratered terrain containing ice and rocks.
	www2.jpl.nasa.gov /galileo/news25.html (463 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		The observatory, which is located on top of Nicholson Hall, has been completely refurbished, and its 11.5-inch Clark refractor telescope, built in 1939, has been fully restored.
		Parking will be available in the lot immediately south of Nicholson Hall, between Nicholson and Howe-Russell, just across the street from the LSU Union.
		Entry to the building will be through the door in the middle of the south side of Nicholson Hall that opens onto the parking lot.
	appl003.lsu.edu /unv002.nsf/9faf000d8eb58d4986256abe00720a51/41afa334ec7f38fe862570ae005e7320?OpenDocument (491 words)

	Image of the Day : Confounding Formation
		The European Space Agency’s (ESA) Mars Express snapped this image of Nicholson Crater, located at the southern edge of Amazonis Planitia on Mars, north-west of a region called Medusae Fossae.
		Using the High Resolution Stereo Camera (HRSC) onboard the ESA orbiter, scientists are trying to evaluate how the crater’s central feature was shaped and what kind of processes led to it formation.
		That raised feature is roughly 34 miles (55 kilometers) long and 23 miles (37 kilometers) wide, which extends to a maximum height of over 2 miles (3.5 kilometers) above the floor of the crater.
	www.space.com /imageoftheday/image_of_day_050718.html (214 words)

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