EarthSky News - Oct 8 - Nobel Winners, Merging Black Holes, Close Encounters

October 8 Nobel Winners, Merging Black Holes, Close Encounters by:

Nobel winners shed light on circadian rhythms New insights on how our cells keep track of time. How gravitational waves attracted a Nobel Prize The detection of ripples in spacetime, aka gravitational waves.  5 new pairs of merging supermassive black holes     Merging black holes are the sorts of catastrophic events that produce the strongest gravitational waves. Scientists just announced 5 new pairs, in the centers of distant galaxies. Close encounters of the planet kind Brilliant Venus and faint Mars swept close last week, in the east before sunup. Check out these awesome photos! Tonight … Moon's lit side points to Aldebaran Watch the moon travel toward the star Aldebaran in our sky throughout the night tonight. Then come back tomorrow, and see how far the moon has moved.

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Tonight … Moon's lit side points to Aldebaran When the moon is waning, it's always traveling in orbit in the direction of its illuminated portion.

Close encounters of the planet kind Eliot Herman in Tucson caught Venus and Mars on the morning of October 6. Venus is the brightest one, Mars right next to it ... Submit your photo to EarthSky here!

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