Dog days retrieve longer nights
ListenClose planet conjunction – Jupiter and Venus very close in tomorrow’s pre-dawn sky . Watch the moon slide down to join them this week. Closest on Saturday morning. Saturn and Mars still show in the evening twilight – This week watch Mars slide east(left) under Saturn. We’re doomed! – Milky Way and Andromeda galaxy are set to collide! When? Oh, 4 billion years from now. So the race is one between which kills us off first; galaxy collision or sun going nova.
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Skytalk is hosted by WHYY's Dave Heller. Each week he discusses the latest news in astronomy with Dr. Derrick H. Pitts of the Franklin Institute.
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