Near-Earth Object Impact News

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  Asteroids, Comets and Meteors
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  First Meteorite Linked to Martian Crust

  January 3, 2013 — After extensive analyses, researchers have identified a new class of Martian meteorite that likely originated from Mars's crust. It is also the only meteoritic sample dated to 2.1 billion years ago, ... > full story
• Sun
  Astrophysics
  Solar Flare
  Dark Matter
  Solar System
  Astronomy
   
  

  Carbon in Vesta's Craters: Asteroid Impacts May Have Transferred Carbonaceous Material to Protoplanet and Inner Solar System

  January 3, 2013 — The protoplanet Vesta has been witness to an eventful past: images taken by the framing camera onboard NASA's space probe Dawn show two enormous craters in the southern hemisphere. The images were ... > full story
• Mars
  NASA
  Space Missions
  Space Exploration
  Solar System
  Space Probes
   
  

  Clays on Mars: More Plentiful Than Expected

  December 20, 2012 — A new study indicates that clay minerals, rocks that usually form when water is present for long periods of time, cover a larger portion of Mars than previously ... > full story
• Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Mars
  Solar System
  Earth Science
  Geomagnetic Storms
   
  

  Meteorite Triggered Scientific 'Gold Rush'

  December 20, 2012 — A meteorite that exploded as a fireball over California's Sierra foothills this past spring was among the fastest, rarest meteorites known to have hit the Earth, and it traveled a highly eccentric ... > full story

  More: 

  • New Meteorite Suggests That Asteroid Surfaces More Complex Than Previously Thought
• Asteroids, Comets and Meteors
  NASA
  Space Exploration
  Moon
  Space Missions
  Astronomy
   
  

  Asteroid Toutatis Slowly Tumbles by Earth

  December 16, 2012 — Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a series of radar data images of a three-mile-long (4.8-kilometer) asteroid ... > full story
• Asteroids, Comets and Meteors
  Astrophysics
  Dark Matter
  Space Probes
  Space Exploration
  Cosmic Rays
   
  

  Grains Gang Up to Bear Brunt of Missile and Meteorite Impacts

  December 11, 2012 — High-speed video of projectiles slamming into a bed of disks has given scientists a new microscopic picture of the way a meteorite or missile transfers the energy of its impact to sand and dirt ... > full story
• NASA
  Space Missions
  Space Exploration
  Solar System
  Mars
  Astronomy
   
  

  What Is Creating Gullies on Giant Asteroid Vesta?

  December 6, 2012 — In a preliminary analysis of images from NASA's Dawn mission, scientists have spotted intriguing gullies that sculpt the walls of geologically young craters on the giant asteroid Vesta. The ... > full story
• Moon
  Space Missions
  NASA
  Space Exploration
  Solar System
  Pluto
   
  

  NASA Twin Spacecraft Create Most Accurate Gravity Map of Moon

  December 5, 2012 — Twin NASA probes orbiting the moon have generated the highest resolution gravity field map of any celestial body. The new map, created by the Gravity Recovery and Interior Laboratory (GRAIL) mission, ... > full story
• Mars
  NASA
  Space Exploration
  Space Missions
  Solar System
  Moon
   
  

  NASA Opportunity Rover Finishes Walkabout on Mars Crater Rim

  December 4, 2012 — The latest work assignment for NASA's long-lived Mars rover Opportunity is a further examination of an area where the robot just completed a ... > full story
• Asteroids, Comets and Meteors
  NASA
  Space Exploration
  Astronomy
  Space Missions
  Space Station
   
  

  Nine Radar Images of Asteroid 2007 PA8

  November 27, 2012 — A collage shows nine radar images of near-Earth asteroid 2007 PA8 that were obtained between Oct. 31 and Nov. 13, 2012, with data collected by NASA's 230-foot-wide (70-meter) Deep Space Network ... > full story

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