Jerry
Preview
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Welcome! (start here)
Concepts
Beliefs
Values (human)
Conflict
Violence
Explosives
Explosions
Supernovae
SN 1572 (Tycho's Supernova)
Attachments
wikipedia
Parents
Supernovae
Tycho Brahe
Children
Watch The Tycho Supernova Remnant Expand, Centuries After It First Exploded