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.

  • 02/12/21
    Spring cleaning in the planetarium today. Once a year we blow out all of the dust in the projectors and computers but how do you dust and cobwebs down form the dome?....Use balloons!!
    > The Mt. SAC - Randall Planetarium
  • 01/05/21
    Happy 2021! Here's a fun fact for the new year: The Kepler-444 is an ancient system with five planets. This system was formed when the Milky Way galaxy was only 2 billion years old. All five planets ...
    > The Mt. SAC - Randall Planetarium
  • 12/22/20
    Be sure to check out the Grand Conjunction of 2020 today! Jupiter and Saturn will appear very close together in the sky even though they are 456 million miles apart. This is a once in a lifetime event...
    > The Mt. SAC - Randall Planetarium