Asteroid, Comet, Meteor News

• Astronomy
  Asteroids, Comets and Meteors
  NASA
  Space Exploration
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  Space Telescopes
   
  

  NASA's Spitzer Observes Gas Emission from Comet ISON

  July 23, 2013 — Astronomers using NASA's Spitzer Space Telescope have observed what most likely are strong carbon dioxide emissions from Comet ISON ahead of its anticipated pass through the inner solar system later ... > full story
• Astronomy
  Space Exploration
  Solar System
  NASA
  Saturn
  Space Missions
   
  

  NASA Releases Images of Earth by Two Interplanetary Spacecraft

  July 22, 2013 — Color and black-and-white images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space. NASA's Cassini ... > full story
• Mars
  NASA
  Solar System
  Space Missions
  Space Exploration
  Pluto
   
  

  How Mars' Atmosphere Got So Thin: Reports Detail Curiosity Clues to Atmosphere's Past

  July 18, 2013 — A pair of new papers report measurements of the Martian atmosphere's composition by NASA's Curiosity rover, providing evidence about loss of much of Mars' original ... > full story
• Extrasolar Planets
  Stars
  Solar System
  Sun
  Astronomy
  Solar Flare
   
  

  Snow in an Infant Solar System: A Frosty Landmark for Planet and Comet Formation

  July 18, 2013 — A snow line has been imaged in a far-off infant solar system for the very first time. The snow line, located in the disc around the Sun-like star TW Hydrae, promises to tell us more about the ... > full story
• Saturn
  Solar System
  Astronomy
  Space Exploration
  NASA
  Mercury
   
  

  NASA Interplanetary Probes to Take Pictures of Earth

  July 18, 2013 — Two NASA spacecraft, one studying the Saturn system, the other observing Mercury, are maneuvering into place to take pictures of Earth on July 19 and ... > full story
• Extrasolar Planets
  Astronomy
  Pluto
  Stars
  NASA
  Solar System
   
  

  In the Zone: How Scientists Search for Habitable Planets

  July 17, 2013 — There is only one planet we know of, so far, that is drenched with life. That planet is Earth, and it has all the right conditions for critters to thrive on its surface. Do other planets beyond our ... > full story
• Geology
  Earth Science
  Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Volcanoes
  Earthquakes
   
  

  Newly Discovered Flux in Earth May Solve Missing-Mantle Mystery

  July 17, 2013 — Researchers have identified a "hidden flux" of material in Earth's mantle that would make the planet's overall composition much more similar to that of ... > full story
• Weather
  Earth Science
  Geography
  Environmental Policy
  Environmental Issues
  Severe Weather
   

  GOES-R Improvements to Provide Stunning, Continuous Full-Disk Imagery

  July 16, 2013 — The National Oceanic and Atmospheric Administration's next generation of GOES satellites, beginning with GOES-R, will have the ability to take full-disk images of Earth at five-minute ... > full story
• Extrasolar Planets
  Nebulae
  Stars
  Galaxies
  Solar System
  Saturn
   
  

  Disks Don't Need Planets to Make Patterns, NASA Study Shows

  July 13, 2013 — Many young stars known to host planets also possess disks containing dust and icy grains, particles produced by collisions among asteroids and comets also orbiting the star. These debris disks often ... > full story
• Sun
  Solar Flare
  Astronomy
  Northern Lights
  Black Holes
  Space Missions
   
  

  Solar Tsunami Used to Measure Sun's Magnetic Field

  July 11, 2013 — A solar tsunami observed by NASA's Solar Dynamics Observatory and the Japanese Hinode spacecraft has been used to provide the first accurate estimates of the Sun's magnetic ... > full story

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