Europa Geyers Disappear | Comet Chaser Landing Revealed | Seeing Sundays Asteroid Flyby

Giant Geysers on Jupiter's Icy Moon Europa Mysteriously Disappear The giant plumes of water vapor erupting from Jupiter's ice-covered moon Europa seem to have disappeared, and scientists aren't sure why.   Landing Site for Comet-Chasing Rosetta Spacecraft to Be Revealed Soon The European Space Agency will unveil the target comet landing site for the Rosetta spacecraft and its Philae lander on Sept. 15. See how the mission will unfold. Read More     Newfound Asteroid Will Give Earth Super-Close Shave on Sunday An asteroid about 60 feet (20 meters) in length will fly by the Earth well within the orbit of the moon on Sunday (Sept. 7). One-Way Mars Colony Project A private Mars colonization effort is asking for your help to make its bold plans a reality, and it's dangling a pretty hefty prize as an incentive — a trip to suborbital space.   Additional Space.com Headlines Student-Built Rovers Will Face Off on Mock Mars Missions The European Rover Challenge (ERC) will be held this weekend, Sept. 5-7, in Poland, pitting university teams against one another in a set of realistic challenges. Read More Float in Earth's Upper Atmosphere with High-Altitude Balloons An aerospace startup aims to make high altitude balloons— used to collect images and data from the edges of space— more affordable for students, entrepreneurs and space fans.   Read More Newfound Comet Visible in Binoculars and Telescopes: How to See It Look up using a pair of binoculars or a small telescope to find a bright comet in the night sky this week. Read More     NASA Wants You to Help Sort Astronaut Photos of Earth at Night A citizen science project called Cities at Night is asking people to help sort images of Earth at night taken by orbiting astronauts. Electric Moon Sparks May Break Down Lunar Dirt Electric sparks might have helped break down lunar soil, suggesting the moon may be significantly more active than previously thought, a new study finds. Falling on the Moon: How Much Gravity Do Astronauts Really Need? A YouTube search for astronauts falling over will yield dozens of results. New experiments might help explain why the Apollo astronauts occasionally struggled to stay upright.   You are receiving this email because You've received this message because you've registered or accepted our invitation to receive email from SPACE.com To unsubscribe, click here Copyright � 2014 Purch.com ALL RIGHTS RESERVED 150 Fifth Avenue, 9th Floor, New York, NY 10011 2425 Lincoln Ave. Ogden, UT 84003