AL
科学与环境
Don't miss: Watch Saturn shine and Halley’s Comet debris streak across the sky
October skywatchers can see Saturn at opposition, catch meteors from Halley’s Comet during the Orionid peak, and watch the Moon sweep past the famous Pleiades star cluster. Moonlight may obscure some Orionids, but the best viewing should come before dawn after the Moon sets.
All Top News -- ScienceDaily ·