Nov 7 - Should We Signal to Extraterrestrials?

November 7 Should We Signal to Extraterrestrials? by:

Artist's concept of using laser technology on Earth to emit a beacon strong enough to attract attention from as far as 20,000 light-years away. Image via MIT. Read more. Good morning! E.T., we're home! A new study from MIT suggests that existing laser technology could be used to signal alien astronomers on a distant world. But should it be used? Tell us what you think. Could 'Oumuamua be an alien lightsail? The object we call 'Oumuamua entered our solar system a year ago and quickly left again. It's a very puzzling object. Could it be an alien lightsail? A new paper from Harvard discusses that possibility. Read more. Today is new moon The moon is new today at 16:02 UTC; translate UTC to your time. Will you see the moon today? No. It's crossing the sky with the sun during the day now. Read more. Almach is a quadruple star system With your eyes alone, Almach looks like a single star. Through a telescope, it looks like a colorful duo. But today we know Almach is really 4 stars. Read more.

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Tonight … Peer out our galaxy's south window Visualize looking from our Milky Way galaxy's flat star-rich disk, into intergalactic space.

See it! Moon sweeps past Venus The waning moon swept past the brightest planet - Venus - in the east before dawn Tuesday morning, November 6. EarthSky community members from around the world captured them. Michael C Dupree took this photo in Lawrence, Kansas. See more photos. Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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