RT @Astroguyz: T-Minus 10 minutes to a great visual pass of Tiangong-1 over SW US at 7:15PM EST: http://t.co/8P3qi7f2 traveling NW to SE.
RT @Astroguyz: T-Minus 10 minutes to a great visual pass of Tiangong-1 over SW US at 7:15PM EST: http://t.co/8P3qi7f2 traveling NW to SE.