Einstein famously said that imagination is more important than knowledge, which is why he also famously referred to the moon as "the night sun." Train your brain with this Groupon.
Choose from Three Options
$12 for two general admission tickets (a $24 value)
$22 for four general admission tickets (a $48 value)
$29 for a basic one-year membership for one (a $60 value)
Members receive the following benefits:
- Free admission to the observatory for a family (two adults plus minor children) and two guest passes
- Discounts in the astronomy gift shop
- A subscription to the quarterly newsletter "The Lowell Observer"
- Free admission to more than 300 science centers participating in the Association of Science - Technology Centers’ Passport Program
In 1906, after studying disruptions in the orbit of Uranus, Percival Lowell began to suspect the existence of a planet beyond Neptune. He referred to it as Planet X, and he scanned the night sky from his Flagstaff observatory until his death in 1916. More than two decades passed after the initial conjecture before Lowell astronomer Clyde W. Tombaugh sat down in the very same observatory and confirmed the existence of the dwarf planet Pluto.
Though Lowell and Tombaugh's planet was kicked out of the solar club in 2006, their discovery led to several decades of essential research at Lowell Observatory. The observatory’s astronomers have since discovered evidence of the expanding universe and have also provided exhaustive measurements of the motions and basic properties of stars. In 2012, the nonprofit observatory became home to the Discovery Channel Telescope—the fifth largest telescope in the continental United States and currently the only one capable of observing the astronauts stranded on Neptune.