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Five Years of Stereo Imaging for NASA's TWINS
June 24, 2013 Surrounding Earth is a dynamic region called the magnetosphere. The region is governed by magnetic and electric forces, incoming energy and material from the sun, and a vast zoo of waves and ... > full story -
Sun Emits a Solstice CME
June 22, 2013 On June 20, 2013, at 11:24 p.m., the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth ... > full story -
How Did a Third Radiation Belt Appear in the Earth's Upper Atmosphere?
June 20, 2013 How did a third radiation belt appear in the Earth's upper atmosphere, and then almost completely ... > full story -
Metamorphosis of Moon's Water Ice Explained
June 19, 2013 Using data gathered by NASA's Lunar Reconnaissance Orbiter mission, scientists believe they have solved a mystery from one of the solar system's coldest regions -- a permanently shadowed crater on ... > full story -
Mars Had Oxygen-Rich Atmosphere 4,000 Million Years Ago
June 19, 2013 Differences between Martian meteorites and rocks examined by a NASA rover can be explained if Mars had an oxygen-rich atmosphere 4,000 million years ago -- well before the rise of atmospheric oxygen ... > full story -
Siberian Caves Warn of Permafrost Meltdown
June 19, 2013 Climate records captured in Siberian caves suggest 1.5 degrees of warming is enough to trigger thawing of permafrost, according to a new ... > full story -
Asteroids, Comets and Meteors
NASA
Space Policy
Space Exploration
Near-Earth Object Impacts
Space Missions
Finding All Asteroid Threats to Human Populations: NASA Announces Asteroid Grand Challenge
June 18, 2013 NASA has announced a Grand Challenge focused on finding all asteroid threats to human populations and knowing what to do about them. The challenge is a large-scale effort that will use ... > full story -
Cassini Probe to Take Photo of Earth from Deep Space
June 18, 2013 NASA's Cassini spacecraft, now exploring Saturn, will take a picture of our home planet from a distance of hundreds of millions of miles on July 19. NASA is inviting the public to help acknowledge ... > full story -
Three Centaurs Follow Uranus Through the Solar System
June 18, 2013 Astrophysicists have confirmed that Crantor, a large asteroid with a diameter of 70 km has an orbit similar to that of Uranus and takes the same amount of time to orbit the Sun. Researchers have ... > full story -
'Cold Snap' 116 Million Years Ago Triggered Marine Ecosystem Crisis
June 16, 2013 A "cold snap" 116 million years ago triggered a similar marine ecosystem crisis to the ones witnessed in the past as a result of global warming, according to new research. The international study ... > full story
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