Moon - Wikipedia, the free encyclopedia
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The Moon is Earth's only natural satellite and the fifth largest satellite in the Solar System. The average centre-to-centre distance from the Earth to the Moon is 384403 kilometer, about thirty tim...
en.wikipedia.org/wiki/Moon
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NSSDC Lunar & Planetary Science: Moon Page ... The Lunar Reconnaissance Orbiter has completed testing and calibration and entered its nominal circular polar lunar mapping orbit 50 km above the Moon's surface.
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nssdc.gsfc.nasa.gov/planetary/planets/moonpage.html
nssdc.gsfc.nasa.gov/planetary/planets/moonpage.html
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Moon/Earth Comparison ... Moon Semimajor axis (106 km) 0.3844 Perigee (106 km)* 0.3633 Apogee (106 km)* 0.4055 Revolution period (days) 27.3217 Synodic period (days) 29.53 Mean orbital velocity (km/s) 1.023 Max. orbital velocity (km/s) 1.076 Min.
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nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html
nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html
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The moon, lunar phases, tides, lunar exploration. ... The moon is Earth's only natural satellite. The moon is a cold, dry orb whose surface is studded with craters and strewn with rocks and dust (called regolith). The moon has no atmosphere. Recent lunar missions indicate that there might be some frozen ice at the poles.
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www.enchantedlearning.com/subjects/astronomy/moon/
www.enchantedlearning.com/subjects/astronomy/moon/
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Excellent resource for in-depth information about the Earth's Moo ... The Moon, of course, has been known since prehistoric times. It is the second brightest object in the sky after the Sun. As the Moon orbits around the Earth once per month, the angle between the Earth, the Moon and the Sun changes;
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www.nineplanets.org/luna.html
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Moon Phases is written using Java. You must have a Java enabled browser such as Netscape Navigator to be able to see this applet. ... In this program, I use a number that corresponds to the Moon phase: ... 0.00 Full Moon...
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www.astro.wisc.edu/~dolan/java/MoonPhase.html
www.astro.wisc.edu/~dolan/java/MoonPhase.html
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You can view the phase of the Moon for any date and time [1800-2199 A.D]. ... These lunar phase images were created by R. Schmidt from ray-traced images of the Moon. A Clementine spacecraft mosaic of the lunar surface was mapped onto a sphere, and scenes were rendered as a virtual Sun "orbited" the Moon.
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tycho.usno.navy.mil/vphase.html
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