top | item 31452106 (no title) rmdashrfstar | 3 years ago What about in near earth asteroids? discuss order hn newest unknown|3 years ago [deleted] dodobirdlord|3 years ago Tritium has a half-life of about 12 years, meaning that it essentially doesn’t exist naturally. It’s all man made.
dodobirdlord|3 years ago Tritium has a half-life of about 12 years, meaning that it essentially doesn’t exist naturally. It’s all man made.
unknown|3 years ago
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dodobirdlord|3 years ago