Tag Archives: zeta ophiuchi

Shot Away from its Companion, Giant Star Makes Waves

Like a ship plowing through still waters, the giant star Zeta Ophiuchi is speeding through space, making waves in the dust ahead. NASA’s Spitzer Space Telescope has captured a dramatic, infrared portrait of these glowing waves, also known as a bow shock.

Astronomers theorize that this star was once sitting pretty next to a companion star even heftier than itself. But when that star exploded, Zeta Ophiuchi was kicked away and sent flying. Zeta Ophiuchi, which is 20 times more massive and 80,000 times brighter than our sun, is racing along at about 54,000 mph (24 kilometers per second). (more…)

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WISE Delivers Millions of Galaxies, Stars, Asteroids

Astronomers across the globe can now sift through hundreds of millions of galaxies, stars and asteroids collected in the first bundle of data from NASA’s Wide-field Infrared Survey Explorer (WISE) mission.

“Starting today thousands of new eyes will be looking at WISE data, and I expect many surprises,” said Edward (Ned) Wright of UCLA, the mission’s principal investigator. (more…)

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