RT @FireballsSky: Asteroid 2013 TX68 has an uncertain trajectory, passing close to Earth on March 5, 2016 buff.ly/23MAzmr https://t.co/VOboOSDkrD
RT @FireballsSky: Asteroid 2013 TX68 has an uncertain trajectory, passing close to Earth on March 5, 2016 buff.ly/23MAzmr https://t.co/VOboOSDkrD