okt 182012
 
Moon was Formed in Massive Planetary Collision

  New study traces Moon evaporation and leads to questions about why Earth has so much water   Fresh examinations of lunar rocks gathered by Apollo mission astronauts have yielded new insights about the Moon’s chemical makeup as well as clues about the giant impacts that may have shaped the early beginnings of Earth and [continue reading]

jun 292012
 
Astronomers Detect Dramatic Changes on an Exoplanet

  An international team of astronomers using data from NASA’s Hubble Space Telescope has made an unparalleled observation, detecting significant changes in the atmosphere of a planet located beyond our solar system. This artist’s impression shows exoplanet HD 189733b, as it passes in front of its parent star, called HD 189733A. Hubble’s instruments observed the [continue reading]

mei 182012
 
Newfound exoplanet may turn to dust

  A planet’s dust cloud may explain strange patterns of light from its star.   Researchers at MIT, NASA and elsewhere have detected a possible planet, some 1,500 light years away, that appears to be evaporating under the blistering heat of its parent star. The scientists infer that a long tail of debris — much [continue reading]