File:Hubble crab nebula.jpg

Nuclear Stardust

Hubble's View of an 'interstellar cloud of stardust, hydrogen, helium and other ionized gases'

Going Supernova

After nuclear fusion, remnant clouds become stardust nebulae, seeding the universe

• http://www.greenpolicy360.net/w/Hubble

• https://en.wikipedia.org/wiki/Nebula

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Stars We Are and Older Than We Have Thought We Are

• https://www.greenpolicy360.net/w/File:Starstuff_we_are.jpg

• https://www.greenpolicy360.net/w/File:We_are_made_of_star_stuff_--_carl_sagan.jpg

• https://www.greenpolicy360.net/w/File:2001_pic3.jpeg

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