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Tess 2022-02-07 14:58:27
The universe is a typical complex system
I like to watch this kind of popular science films, because there are fewer people and it is cooler; of course, part of the reason is because of the little girls in middle school in the theater, but mainly because of the complex system that I have been learning. And the universe is about the...
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Summer 2022-02-07 14:58:27
beautiful starry sky
Hubble and EarthGyro NebulaEagle Nebula"little mouse"Orion's BeltOrion NebulaInside the NebulaBaby-like "solar system"Carina NebulaThe grandeur of star deathThe Million Planet in the Omega Centaur constellationMillions of planets at extreme temperatures The older the planets, the colder and reddish...

John M. Grunsfeld
Extended Reading