s*****t 发帖数: 1994 | 1 SNR 0103-72.6: Oxygen Supply
Credit: S.Park, D. Burrows (PSU) et al., Chandra Observatory, NASA
Explanation: A supernova explosion, a massive star's inevitable and spectacular demise,
blasts back into space debris enriched in the heavy elements forged in its stellar core.
Incorporated into future stars and planets, these are the elements ultimately necessary for life.
Seen here in a false-color x-ray image, supernova remnant SNR 0103-72.6 is revealed to be
just such an expanding debris c |
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