Plunge Into Jupiter’s Great Red Spot In New Video

Using imagery from NASA’s Juno spacecraft, animators created this visualization of a flight into Jupiter’s Great Red Spot. The video begins about 2,000 miles (3,000 km) above the cloud tops of the planet’s southern hemisphere. Every school kid knows Jupiter has a big red spot. Called the Great Red Spot, it’s a titanic oval storm…
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How To See The Geminids, Best Meteor Shower Of 2017

Last year’s Geminids were mooned out. This summer’s Perseids took a beating from moonlight. Our patience will finally get its reward this week with the return of the Geminid meteor shower under dark skies. Expect a great show. Under ideal circumstances — no light pollution with the shower’s radiant high overhead — we might see…
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Miss The Evening Planets? Cheer Up With A Visit To Uranus

Planets are scarce these nights. Look around the late fall sky and you won’t find a single one. At least not without optical aid. Only Uranus and Neptune swim among the evening stars. Venus, Saturn and Mercury are currently too close to the sun and swamped in its glare, and Jupiter and Mars shine low…
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Voyager 1 Fires Thrusters After 37 Years, Gets New Lease On Life

If you tried to start a car that’s been sitting in a garage for a couple years, you’d have to clean and replace parts then hope.  But a set of thrusters aboard the Voyager 1 spacecraft successfully fired up after 37 years in the deep chill of interstellar space.  In that same time interval, I’ve…
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See Cassiopeia’s ‘Triple Cluster’

The W of Cassiopeia stands high in the northern sky these December nights and smack in the middle of the Milky Way. Any constellation crossed by that smoky stream of stars will find itself home to a rich assortment of star clusters and nebulae. Why? Our line of sight looks straight into the disk of…
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