Episode 3, July 22, 2020

Supernova in a Lab – Don’t Try This At Home @1:14
     Explosive research!  In a Georgia Tech lab, a science team led by Dr. Devesh  Ranjan recreates the moment a star explodes in order to reproduce the swirls of gas seen in the most famous supernova of all time, the Crab nebula, which exploded this month 966 years ago.  Hear what their supernova sounds like!

Comet NEOWISE – What We’ve Learned, Where It Will Be @15:36
     This unexpected and bright comet has bedazzled North American skywatchers after it rounded the Sun this month and sported a long tail and a head visible to the unaided eye.  What have scientists learned about this comet discovered only four months ago, and where and how can you view this comet, before it quickly flies back into the far ranges of the Solar System.

Black Holes Hidden in Plain View? @20:25
     When you look into the sky, you see the bright stars.  But you may also be seeing black holes.  Among some of the brightest stars may lie black holes in orbit around them, hiding in their light as invisible companions, revealed only by the orbital motions of their companions, that don’t otherwise seem to follow Newton and Kepler’s laws.  The astronomer Thomas Rivinius in Chile explains.

Skies Over Earth @32:47
     We start this fortnite by seeing all five bright planets, Jupiter and Saturn starting at sunset, Mars around middle of the night, Venus and then Mercury before and after morning twilight.  The Delta Aquarid meteors peak on the 28th.  The Moon pass the planets one by one.

{comet image, courtesy Rich Stillman, Winchester, MA}

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One thought on “Episode 3, July 22, 2020

  1. I really enjoyed your supernova in a lab segment. Looking forward to cool stories like that. We were able to watch the comet too on Thursday.

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