Sentinel spacecraft in orbit

B612 Foundation / Ball Aerospace

B612 Debuts Its Asteroid-Seeking Sentinel

June 29, 2012 | Astronomers warn that it’s not a question of “if” Earth will be hit by an asteroid, but “when.” If a private group of space veterans has its way, a Sun-orbiting spacecraft will find threatening objects decades before they can strike us. > read more

How to Grow a Supermassive Black Hole

June 28, 2012 | A new study says most black holes may grow by snacking instead of collision-induced feeding frenzies. > read more

Wanted: A Little Common (Sky) Sense

June 25, 2012 | When it comes to things astronomical, why do so many people with no knowledge of the sky try to figure things out for themselves — and come to the wrong conclusions? > read more

Seeing Exoplanets in a New Light

June 27, 2012 | Researchers have devised a way to peek at the atmospheres of non-transiting exoplanets. The method may prove to be a valuable tool in astronomers’ efforts to characterize planets outside our solar system. > read more


Father Time


A Glitch in Time

June 29, 2012 | Tomorrow night — June 30, 2012 — the world’s official timekeepers will add a leap second for the first time in 3½ years. > read more

Possible Nova in Sagittarius

June 27, 2012 | If you’ve got a clear, dark view toward the southern horizon, try your hand at spotting a flaring star that has brightened to near 9th magnitude in northwest Sagittarius. > read more

Tour July’s Sky by Eye and Ear!

May 30, 2012 | This month, you can see a pair of planets before sunrise and another pair after sunset. In each case, one of them is situated near a bright star. > read more

This Week’s Sky at a Glance

Dawn view

This Week’s Sky at a Glance

June 29, 2012 | The Moon waxes to full in the evening sky, passing Scorpius on the way. And Venus and Jupiter get together again like last March — but this time in the dawn. > read more

SkyWeek Television Show
View SkyWeek as seen on PBS click here to watch this week’s episodeSponsored by Meade Instruments

June 25 - July 1, 2012 Powered by TheSkyX from Software Bisque

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