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Topic: Cassini crater (Moon)


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 Galileo Galilei - Wikipedia, the free encyclopedia
He noted that the moons would appear and disappear periodically, an observation which he attributed to their movement behind Jupiter, and concluded that they were orbiting the planet.
Galileo was also the first to report lunar mountains and craters, whose existence he deduced from the patterns of light and shadow on the Moon's surface.
This led him to the conclusion that the Moon was "rough and uneven, and just like the surface of the Earth itself," rather than a perfect sphere as Aristotle had claimed.
en.wikipedia.org /wiki/Galileo_Galilei   (4939 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)

  
 Volcano   (Site not responding. Last check: 2007-11-02)
Perhaps the most conspicuous part of a Volcano is the crater, a basin of a roughly circular form within which occurs a vent (or vents) from which magma erupts as gases, lava, and ejecta.
Some volcanoes consist of a crater alone, with scarcely any mountain at all; but in the majority of cases the crater is situated on top of a mountain (the volcano), which can tower to an enormous height.
Volcanoes that terminate in a principal crater are usually of a conical form.
volcano.iqnaut.net   (3495 words)

  
 Possible dome near Cassini
Positioned at longitude 5° 40' E and latitude 41° 27' N (Xi +0.074 and Eta +0.662), this dome lies near the crater Cassini.
The distribution of domes in the lunar surface favours the Western emisphere of the moon.
The estimated position of the dome at +0.074 +0.662 (longitude 5.67º E and latitude 41.45 ºN) was confirmed by Harry Jamieson, using measurements taken from plate C2-a of the Orthographic Lunar Atlas (Table I).
www.glrgroup.org /news/13.htm   (774 words)

  
 NexStar 50 Lunar List
A great resource to help you identify these features is the Virtual Moon Atlas - available free for download here.
A pair of long rays extend westward from it, giving it the appearance of a comet.
Bright crater against darkness at junction of M. Tranquilitatis and M. Serenitatis
www.nexstarsite.com /NexStar50/nexstar50lunarlist.htm   (386 words)

  
 Space Flight
Categories include Impact craters, Lunar Cataclysm, The Moon, Lunar Meteorites, Arizona Meteorites, and a tutorial by David A. Kring on Impact Events and Their Effect on the Origin, Evolution, and Distribution of Life.
Deep Impact The Deep Impact mission is to form a deep crater in Comet Tempel 1, to assist scientists who want to find clues to the formation of the solar system.
The Deep Impact objectives are: Observe how the crater forms, Measure the crater's depth and diameter, Measure the composition of the interior of the crater and its ejecta, and determine the changes in natural outgassing produced by the impact.
astronomywebguide.com /links_nasas_space.html   (9038 words)

  
 Advisory Council - Who We Are | The Planetary Society
On July 20, 1969, Apollo 11 Buzz Aldrin became one of the first humans to walk on the moon.
Charles Kohlhase is a planetary mission designer, author, artist, teacher, environmentalist, and public outreach specialist.
In his four-decade JPL career, he led the mission design activities for robotic missions to most of the planets, including the epic Voyager Grand Tour and Cassini, receiving four NASA special achievement medals, including the Distinguished Service Medal.
www.planetary.org /about/advisory_council.html   (1598 words)

  
 Spacefleet Association - Current Active Topics
Does a giant crater lie beneath the Antarctic ice?
Archive: Buzz Aldrin: Returning to moon is not enough
The Grand SLAM: Rocketing Water to the Moon
www.spacefleet.co.uk /portal/modules.php?name=Topics   (706 words)

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