Museums in Walnut, CA

Find museums in Walnut, CA. Listings include The Mt. SAC - Randall Planetarium. Click on each in the list below the map for more information.

  • 11/23/20
    Fun Fact: Olympus Mons on the planet Mars is the largest volcano in the solar system. Learn more here: https://jpl.nasa.gov/spaceimages/details.php?id=PIA00300
    > The Mt. SAC - Randall Planetarium
  • 11/10/20
    Catch Mercury! Mercury will be at its greatest western elongation. This is the perfect time to spot Mercury in the early morning sky. Learn more here: http://seasky.org/astronomy/astronomy-calendar-c...
    > The Mt. SAC - Randall Planetarium
  • 11/05/20
    Did you know? Jupiter’s Moon IO is the most volcanically active in the entire solar system. This moon was discovered by Galileo on Jan. 8, 1610. For the very first time, a moon was discovered orbitin...
    > The Mt. SAC - Randall Planetarium