Joshua Reiman - Dust Jacket (assumptions with large uncertainties)

Personal copy of Carl Sagan’s Cosmos, Swiffer Duster, copper, steel, cast urethane hand, and dust from the Murchison meteorite (whose particles have been determined to be 7 billion years old, about 2.5 billion years older than the 4.54-billion-year age of the Earth and the Solar System)