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.

Observatory Daytime


Saturday, March 21 and 28, 2015
10 AM – 5 PM

Members: FREE
Non-Members: Regular Admission

Appropriate for all ages.

COME OBSERVE THE SUN AT TELLUS! With the special filters on our solar telescope in the Observatory, you can safely view the Sun and look for sunspots and loops of hot hydrogen gas called prominences that extend off the disc of the Sun.

*Check our home page on the day of the event for cancellations due to cloudy skies or inclement weather.

EclipseTotal Lunar Eclipse

Saturday, April 4, 2015

6 – 9:45 AM

Members: FREE
Non-Members: Regular Admission

This event will occur whether the skies are clear or cloudy!

Set your alarm clock for EARLY in the morning so you can join us at the museum for a Total Lunar Eclipse before you head off to work or school!

The Observatory and the Museum will open at 6 AM, and the eclipse will begin at 6:15 AM. All telescopes will be aimed at the Moon during the morning, including our 20-inch telescope in the Observatory, along with our smaller telescopes on the Museum grounds. Images of the Moon will be broadcast from the Observatory into the Theater, where our experts will provide running commentary on the eclipse. Should the skies over Tellus become cloudy, we plan to tune in to a clear site elsewhere in North or South America and broadcast the image from their observatory. The Moon sets locally at 7:27 AM, but we will continue to stream images of the eclipse into the Theater from observatories farther west until the end of the eclipse at 9:45 AM. The Museum will remain open through normal operating hours.

A total lunar eclipse happens at full Moon, when the Earth is lined up exactly between the Moon and the Sun. Although this alignment occurs with every full Moon, only during a total eclipse is Earth perfectly aligned to cast its full shadow on the Moon. This should be a unique and exciting experience for everyone.

The museum will remain open following the eclipse.

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