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单词 Puppis A
释义 Puppis A
[`pǝp·ǝs `ā]
ASTRONOMY
An extended, nonthermal radio source, the remnant of a supernova that exploded about 10,000 years ago, about 1.8 kiloparsecs (3.5 × 1016 miles or 5.6 × 1016 kilometers) from the earth.
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