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Asteroid Vesta Looks Like a Little Planet, Complete With Craters, Mountains and Landslides
May 10, 2012 — Vesta looks like a little planet. "We didn't find gold on Vesta, but it is still a gold mine," said the principal investigator of NASA's Dawn mission. Scientists have discovered two large craters, a ... > full story -
Complexities of Ancient Asteroidal World Revealed
May 10, 2012 — New findings from NASA’s Dawn spacecraft lay the groundwork for the first geological overview of asteroid (4)Vesta and confirm the existence of not one but two giant impact basins in its ... > full story -
NASA Dawn Spacecraft Reveals Secrets of Giant Asteroid Vesta
May 10, 2012 — NASA's Dawn spacecraft has provided researchers with the first orbital analysis of the giant asteroid Vesta, yielding new insights into its creation and kinship with terrestrial planets and Earth's ... > full story -
Hubble to Use Moon as Mirror to See Venus Transit
May 4, 2012 — NASA's Hubble Space Telescope will study Venus's atmosphere during an upcoming opportunity where Venus is passing in front of the Sun. Hubble cannot look at the Sun directly, so astronomers are ... > full story -
Mars: Evidence of Water Flows at Ancient Impact Crater Endeavour
May 3, 2012 — Evidence of ancient water at a Martian crater is the latest in a long series of discoveries by a surprisingly long-lived Mars Exploration Rover Opportunity. The latest discovery was made at the rim ... > full storyMore: -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
Geology
Earth Science
Atmosphere
Environmental Issues
Tiny 'Spherules' Reveal Details About Earth's Asteroid Impacts
April 25, 2012 — Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ... > full story -
Splatters of Molten Rock Signal Period of Intense Asteroid Impacts on Earth
April 25, 2012 — New research reveals that the Archean era -- a formative time for early life from 3.8 billion years ago to 2.5 billion years ago -- experienced far more major asteroid impacts than had been ... > full story -
NASA's Dawn Spacecraft Reveals Secrets of Giant Asteroid Vesta
April 25, 2012 — Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. The ... > full story -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
NASA
Space Exploration
Earth Science
Space Missions
Fireball Over California/Nevada: How Big Was It?
April 24, 2012 — A bright ball of light traveling east to west was seen over the skies of central/northern California Sunday morning, April 22. The former space rock-turned-flaming-meteor entered Earth's atmosphere ... > full story -
Asteroid Craters on Earth Give Clues in Search for Life on Mars
April 17, 2012 — Craters made by asteroid impacts may be the best place to look for signs of life on other planets, a study ... > full story
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