Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying.
— Arthur C. Clarke
Thanks to the much-heralded International Year of Astronomy, this much we know: Galileo used a telescope to observe the moon in 1609. But the inventor of the revolutionary resolutionary device remains unknown, and its early history is muddied by simultaneous discoveries and competing claims.
Astrophotography equipment