12/17/2021 |
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NEWS & FEATURES |
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 NASA/The Aerospace Corporation No. Asteroid 4660 Nereus doesn’t pose a risk to Earth. But DART slamming into a different asteroid will help us prepare for such threats in the future. SPONSORED BY: TRAVEL QUEST  In September 2022, TravelQuest will embark upon a unique, 10-day Iceland: Fire, Ice & Aurora adventure through the seldom-visited Great North region. Experience the aurora borealis, just steps from your picturesque countryside accommodations! Add to that whale watching, lava fields, waterfalls and more - The trip of a lifetime awaits you! |
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 CSIRO/A. Cherney The forensic analysis of a potential signal from another civilization reveals how challenging the search for extraterrestrial intelligence is likely to become.  |
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 ESO/Janson et al. Astronomers have directly imaged a planet orbiting a pair of stars so massive they challenge our ideas of how planets and stars form. |
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 Mark A. Garlick When a star disappears down the throat of a black hole, the flash is just the start of the show. |
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 ESO/S. Guisard (www.eso.org/~sguisard) The word dust comes up often in descriptions of galaxies and elsewhere. What is the nature of dust? |
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OBSERVING |
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 Chris Schur Your daily digest of celestial events coming soon to a sky near you. |
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PICTURE OF THE DAY |
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 Chirag Upreti from The Bronx, New York This image shows the moon trail of the 28 percent illuminated crescent Moon as it set behind the Statue of Liberty on Sept 21, 2020. Atmospheric refraction leads to a gradual color change and increased waviness of its bottom edge as the Moon descends towards the horizon. This image was made from 567 exposures. |
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