The 1st detection of gravitational waves produced by colliding neutron stars. The 1st observed in both gravitational waves and visible light. "It ushers in a new era in astronomy."
Social media was buzzing on Monday with photos and accounts of the red sun over the UK. British weather forecasters said it was dust from the Sahara, raised via Hurricane Ophelia.
Seen the moon and planets before dawn this week? Wednesday's moon will be a very slim crescent, tougher to catch, rising just before sunup. Try going outside earlier. If your sky is very dark, you might see the eerie zodiacal light about 2 hours before sunrise in the Northern Hemisphere. From the Southern Hemisphere, watch for it after sunset. Photo taken in Tibet by Jeff Dai.
