The sky's top 10 colorful planetary nebulae
These dying stars are going out in style, showing off rich greens, blues, and reds you can enjoy through your eyepiece.
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These dying stars are going out in style, showing off rich greens, blues, and reds you can enjoy through your eyepiece.
"Every star may be a sun to someone." -Carl Sagan Welcome back to yet another Messier Monday! Each week, we highlight one of the 110 deep-sky objects that make up the Messier catalogue: Charles Messier's legacy to comet-hunters and amateur astronomers, pointing out some of the most easily visible deep-sky objects as seen from our vantage point on Earth.
184 NGC 362 is the âotherâ brilliant globular cluster in Tucana, located on the north-east border of the Small Magellanic Cloud. It was discovered by James Dunlop on August 1, 1826 and cataloged by him as No. 62 of his catalog. In the late 1980s, NGC 362 was compared to the otherwise similar globular NGC 288, and it was found that this cluster was about 3 billion years younger. This because of differences in the color-magnitude diagrams: the so-called Horizontal Branch of NGC 362 is redder, and the turnoff point of the main sequence (hottest/bl...