[/caption] Caption: Asteroid or rocket booster? 2010 AL30 as imaged remotely from Australia on Jan. 11, 2010. Credit: Ernesto Guido & Giovanni Sostero, Remanzacco Observatory. An unusual object will make a close flyby of Earth on Wednesday, coming within only 128,000 km (about 80,000 miles), or at a distance about three times less than the … Continue reading Asteroid or Space Junk? Object Makes Close Pass by Earth Wednesday