Betelgeuse braces for a collision

(Phys.org)—Multiple arcs are revealed around Betelgeuse, the nearest red supergiant star to Earth, in this new image from ESA's Herschel space observatory. The star and its arc-shaped shields could collide with an intriguing ...

Red giant star Betelgeuse is mysteriously shrinking

The red supergiant star Betelgeuse, the bright reddish star in the constellation Orion, has steadily shrunk over the past 15 years, according to University of California, Berkeley, researchers.

Orionid meteor shower peaks Oct. 20-21, 2012

As it does each year, early fall brings crisper air, turning leaves, and the Orionid meteor shower. This year's best viewing will be in the several hours around midnight October 20 and before dawn on October 21, according ...

Speed demon asteroid sprints safely past Earth

Earth-approaching asteroid 2014 RC ripped pass Earth today, got its orbit refashioned by our planet's gravity and now bids us adieu. I thought you'd like to see how fast this ~60-foot-wide (20-meter) space rock moved across ...

Why Are Galaxies So Smooth?

(PhysOrg.com) -- Using NASA's Spitzer Space Telescope, an international team of astronomers has discovered streams of young stars flowing from their natal cocoons in distant galaxies. These distant rivers of stars provide ...

Turbulence May Promote the Birth of Massive Stars

(PhysOrg.com) -- On long, dark winter nights, the constellation of Orion the Hunter dominates the sky. Within the Hunter's sword, the Orion Nebula swaddles a cluster of newborn stars called the Trapezium. These stars are ...

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