... objects equal to or greater than 6 meters across are in Earth-crossing orbits ... sized objects are in Earth-crossing orbits and the impact interval is closer to 50 ...
... stands for Crew Space Transportation, is a reusable, capsule-shaped spacecraft built to ferry seven people into Earthorbit ... NASA can't stay stuck in low Earthorbit," Nelson said. "NASA's got to get out and explore the heavens. ...
... Kepler now has collected enough data to begin finding Earth-sized planets with a one-year orbit around stars similar to the Sun ... Kepler-11 has six planets larger than Earth, all orbiting closer to their star than Venus orbits our Sun. ...
... that all orbit each other in a space smaller than Earth s orbit around the Sun ... three stars orbit each other in a space smaller than Earth s orbit around the Sun ... A planet is forming in an Earth-like orbit around a young star . ...
... 21 asteroids that have moved out of the main belt and into Earth-approaching orbits ... belt had entered Earth-crossing orbits through collisions, the method previously ... Currently orbitingEarth, the spacecraft has begun its ten-year journey to ...
... scouting from an Earth-trailing orbit, the infrared observatory continues to explore ... scientific scouting from an Earth-trailing orbit, Spitzer continues to explore the ... A planet is forming in an Earth-like orbit around a young star . ...
... before they began maneuvers July 20, 2009, to swap an Earthorbit for a lunar orbit ... lunar orbit after a meandering 2-year journey from its original orbit around Earth ...