... Astronomy Picture of the Day . Index - Solar System: Asteroids. ... Title Search | Text Search | . Editor's choices for the most educational Astronomy Pictures of the Day about asteroids: . ...
... Because some past mass extinction event s have been linked to asteroid impacts, however, humanity has made it a priority to find and catalog those asteroids that may one day affect life on Earth . ...
... Although a long term goal is to find out how much ice, rock and trace elements reside on the asteroid's surface, a shorter term goal is to determine the mass of the asteroid by measuring the attraction of the drifting Hayabusa spacecraft . ...
... New results from NEOWISE , the infrared asteroid hunting portion of the WISE mission , are shown on the left compared to old population projections of mid-size or larger near-Earth asteroids from surveys at visible wavelengths. ...
... 2006 March 28 . Animation of Asteroids Passing Near Earth . Credit: MPC , Harvard-Smithsonian CfA , IAU . ... Credit: MPC , Harvard-Smithsonian CfA , IAU . Explanation: How often does an asteroid whiz by the Earth? ...
... June 29, 1997 . Ida and Dactyl: Asteroid and Moon . Credit: Galileo Project , JPL , NASA . ... Ida and Dactyl: Asteroid and Moon . Credit: Galileo Project , JPL , NASA . Explanation: This asteroid has a moon ! ...
... 2002 October 9 . Quaoar: Large Asteroid in the Outer Solar System . Credit: Chad Trujillo Michael Brown ( Caltech ) . ... Explanation: Asteroids almost as large as planets are still being discovered in our own Solar System . ...
... are now running computer simulations designed to investigate how Chariklo's unexpected ring system might have formed, how it survives, and given the asteroid's low mass and close passes of other small asteroids and the planet Uranus , how long it may last ...
... 2002 June 30 . Ida and Dactyl: Asteroid and Moon . Credit: Galileo Project , JPL , NASA . ... Ida and Dactyl: Asteroid and Moon . Credit: Galileo Project , JPL , NASA . Explanation: This asteroid has a moon ! ...