The Moon Once Had an Atmosphere

The moon likely had an ancient, temporary atmosphere — similar to the pocket of gases that surround Earth — around 3 to 4 billion years ago, according to a new study. Scientists at NASA’s Marshall Space Flight Center and the Lunar and Planetary Institute (LPI) in Houston found that the atmosphere was caused by ancient […]

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The Aurora

The aurora is an incredible light show caused by collisions between gaseous particles with charged particles. Variations in color are due to the type of gas particles that are colliding. The most common aurora color which is green, is produced by oxygen molecules located about 60 miles above the earth.

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Cassini Mission Ends

NASA’s Cassini spacecraft ended a nearly 20-year mission Sept. 15 with a plunge into the atmosphere of the planet Saturn intended to protect the planet’s potentially habitable moons from contamination. The last signals from the Cassini spacecraft arrived at NASA’s Deep Space Network antennas near Canberra, Australia, at 7:55 a.m. Eastern, 83 minutes after the […]

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Mars Research Crew Emerge

Six NASA-backed research subjects who have been cooped up in a Mars-like habitat on a remote Hawaii volcano since January emerged from isolation Sunday. They devoured fresh-picked tropical fruits and fluffy egg strata after eating mostly freeze-dried food while in isolation and some vegetables they grew during their mission. The crew of four men and […]

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