Duncan Steel
DUNCAN STEEL is the author of Rogue Asteroids and Doomsday Comets. He is a research astronomer at the Spaceguard Australia observation project and a specialist on astronomical timekeeping.
DUNCAN STEEL is the author of Rogue Asteroids and Doomsday Comets. He is a research astronomer at the Spaceguard Australia observation project and a specialist on astronomical timekeeping. See less
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