s*****t 发帖数: 1994 | 1 Journey to the Center of the Galaxy
Credit: MSX, IPAC, NASA
Explanation: In Jules Verne's science fiction classic A Journey to the Center of the Earth,
Professor Hardwigg and his fellow explorers encounter many strange and exciting wonders.
What wonders lie at the center of our Galaxy? Astronomers know of some of the bizarre
objects which exist there, like vast cosmic dust clouds, bright star clusters, swirling rings of
gas, and even a supermassive black hole. Much of the G |
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