Tag: Scott Wolk

  • Science & Tech

    Young star cluster found aglow with mysterious X-ray cloud

    Known as RCW 38, a star cluster covers a region about 5 light years across. It contains thousands of stars formed less than a million years ago and appears to be forming new stars even today. The crowded environment of a star cluster is thought to be conducive to the production of hot gas, but…

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  • Science & Tech

    Chandra captures Venus in a whole new light

    Researchers using NASA’s Chandra X-ray Observatory have made the first X-ray images of Venus, Earth’s sister planet.

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  • Science & Tech

    Mystery of cometary X-rays solved

    Comets, which resemble “dirty snow balls” a few miles in diameter, until recently were thought to be too cold to emit X-rays. So the detection of X-rays from comet Hyakutake in 1996 was a surprise. Several explanations were suggested, but the source of cometary X-ray emission remained a puzzle. NASA’s Chandra X-ray Observatory in July…

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