red spider

red spider

red spider: see mite.

The Red Spider Nebula (catalogue designation NGC 6537) is a planetary nebula in the constellation Sagittarius.

The central white dwarf, the remaining compact core of the original star, produces a powerful and hot (~10,000 K) wind blowing with a speed of 2000-4500 kilometres per second, which have generated waves 100 billion kilometres high.

With an estimated temperature of at least half a million degrees, it would be one of the hottest stars known.

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