The Tellus Observatory gives visitors a view of the night sky through a 20″ telescope perfect for viewing the Moon and planets in our solar system.

The observatory also houses a seismograph used to detect earthquakes all over the world.

Tours of the observatory are available during special events, such as lectures and Family Science Nights.


Sky watch

Photo Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

TUESDAY, JULY 14, 2015

5 PM – MIDNIGHT
(Museum open until 11 PM, Observatory open 10-Midnight)

Members: FREE
Non-Members: Regular Admission

History will be made on the evening of  July 14! Join us as we “link up” with NASA to receive the first images of Pluto. Images will be shared with us as we watch in the Tellus Theater from 9 – 10 PM (tentative to change based on NASA’s schedule).

The Observatory will be open to observe Pluto from 10 PM until midnight. While we may experience rain and clouds earlier in the evening, we expect the skies to be clear by 10 PM.

Special Planetarium Schedule (must purchase ticket at the front desk):

5 PM – Wildest Weather in the Solar System

6 PM – Oasis in Space

7 PM – Extreme Planets

8 PM – Live Tour of Tonight’s Sky

Special FREE Planetarium Show: New Horizons – learn more about Pluto and the spacecraft’s nine-year journey to explore our distant neighbor. Planetarium show times are 10, 10:15, 10:30, and 10:45 PM.

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