SKYWATCH: DID WE DETECT GRAVITATIONAL WAVES?, FIND YOUR WAY IN THE WINTER SKY, AND MORE

LATEST NEWS

Setting Limits to Black Hole Gluttony

Black holes may have a limit to how much they can eat in the public eye.

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About the LIGO Gravitational-Wave Rumor. . .

The physics and astronomy world is all agossip: has LIGO heard its first black-hole merger? Well, not so fast. Here’s everything we know so far.

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Smack! Booster Impact Site Found on Moon

The Lunar Reconnaissance Orbiter has finally spotted the impact of the Apollo 16 booster on the Moon, more than 43 years after it happened.

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Charting 70,000 Stars in the Milky Way

Astronomers have mapped the ages of 70,000 stars spanning our galaxy, ushering in a new era of galactic archaeology.

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OBSERVING HIGHLIGHTS

This Week’s Sky at a Glance, January 15 – 23

Sirius twinkles brightly after dinnertime below Orion in the southeast. Spy an asteroid as it occults a bright star. And if you’ve got binoculars handy, find out how to spot Kemble’s Cascade.

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Asterisms for Winter Nights

Asterisms appeal to our playful side but also serve as key waypoints in the sky for identifying fainter stars and constellations.

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S&T‘s Astronomy Podcast for January 2016

Download our monthly stargazing podcast to learn about a close pairing of Venus and Saturn before dawn, a strong meteor shower, and a parade of bright stars after sunset.

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COMMUNITY

Upcoming Live Webinar: Winter Constellations

Winter is a grand time to start learning your way around the stars, with bright Orion and his neighbors shining high. Join Tony Flanders, contributing editor of SkyWeek fame, and Alan MacRobert at this live online event!

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