Earth's Moon: Formation, Composition and Orbit

Scientists say a giant impact knocked off the raw ingredients for the moon off the primitive molten Earth and into orbit.
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See Moon and Mars Shine Together Tonight: Where to Look
Sky Map for Sept. 29, 2014
September 29th, 2014
After sunset this evening, look 15 degrees up from the southwest horizon. There you’ll see a crescent moon, 30 percent illuminated. Hovering almost directly below it will be Mars, which looks like a moderately bright yellow-orange star.
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New Horizons Spies Pluto's Tiny Moon Hydra
Detection of Hydra by New Horizons
September 23rd, 2014
NASA's New Horizons spacecraft may still be 10 months from its historic flyby with dwarf planet Pluto, but it is making good use of its interplanetary cruise to get familiar with its flyby target by imaging Pluto's outermost moon Hydra
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Electric Moon Sparks May Break Down Lunar Dirt
Moon Undergoing Subsurface Sparking
September 2nd, 2014
Electric sparks might have helped break down lunar soil, suggesting the moon may be significantly more active than previously thought. The phenomenon may take place throughout the solar system, from Mercury to the moons of Jupiter and Saturn.
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Moonwalking Astronauts Can Move Surprisingly Fast
The spacesuits worn by Apollo astronauts such as Buzz Aldrin were designed to optimize life support, not mobility. Newly designed suits may allow future moonwalkers to move faster on the lunar surface.
September 27th, 2014
Astronauts may be able to walk on the moon faster than previously thought, a new study reports. These new findings could help scientists design better spacesuits that could aid astronauts' exploration of the moon, Mars or asteroids.
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Labor Day Weekend Stargazing: See Moon, Mars and Saturn Meet Up
Moon, Saturn and Mars on Labor Day 2014
August 30th, 2014
Look up this Labor Day weekend to see a lovely celestial tableau in the southwestern part of the evening sky.
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See Saturn, the Moon and Dwarf Planet Ceres in Night Sky Saturday
Libra Sky Map, Sept. 27, 2014
September 26th, 2014
Currently the constellation Libra is host to the planet Saturn and two of the largest and brightest asteroids, Ceres and Vesta. In addition, the crescent moon will be passing through on its monthly trip around the Earth.
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Smash! Aftermath of Colossal Impact Spotted Around Sunlike Star
Artist’s Concept of Large Impact Around Star NGC 2547-ID8
August 28th, 2014
The researchers detected a huge disk of dusty debris around a sunlike star called NGC-2547 ID8. The cloud was likely spawned when two planetary building blocks slammed into each other just two years ago or so, scientists said.
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