RT @RonBaalke: Asteroid 5535 Annefrank makes its closest approach to Earth today (1.2 AU). Visited by Stardust in 2002.… twitter.com/i/web/status/8…
RT @RonBaalke: Asteroid 5535 Annefrank makes its closest approach to Earth today (1.2 AU). Visited by Stardust in 2002.… twitter.com/i/web/status/8…