Hydrogen The Universe
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The Universe. (External Sample)
The universe is about 75% hydrogen by weight: Good enough to count as an element sample. As an external sample, this one is not physically located within the table, but rather in its complement. (This is the famous Hubble Deep Field image.)
Location: The Universe
Photographed: 3 October, 2002
Size: 6000000000000000000000000000"
Purity: 75%