
(PLA) Mt. Wilson Observatory: Astrophysics Program
Mt. Wilson Observatory Mt. Wilson, California(Release Date: August 27 at 12:00 noon) This event is for 5th-8th grade PLA students and their families. Children younger than 5th grade or older than 8th grade are not permitted to attend. All students must be accompanied by an adult. Mount Wilson Observatory, one of the most historically important observatories in the world, sits