feb 122013
 
Predicting the Future Path of Close Passing Asteroid 2012 DA1

  The record-setting close approach of an asteroid on Feb. 15 is an exciting opportunity for scientists, and a research team will use National Radio Astronomy Observatory (NRAO) and NASA telescopes to gain a key clue that will help them predict the future path of this nearby cosmic neighbor. This NASA diagram depicting the passage [continue reading]

mei 252012
 
OSIRIS-REx Scientists Measure Yarkovsky Effect

  Scientists with the asteroid sample return mission, OSIRIS-REx *), have measured the mass and orbit of their destination asteroid, 1999 RQ36, with great accuracy. The OSIRIS-REx spacecraft will visit asteroid 1999 RQ36 and take a sample of pristine material and return it to Earth for analysis in 2023. Scientists with the University of Arizona-led asteroid [continue reading]