Event Calendar
PAST EVENT: This event has already occured.

Astronomy: Our Solar System


What is the difference between a planet and a dwarf planet or an asteroid and a comet? Join us to learn more about the objects in our own solar system. Followed by stargazing with telescopes provided by the Longmont Astronomical Society. All ages are welcomed.

Near Boulder. Location provided when registered. Registration for most programs begins on the 20th of the month before the event.

Registration required.


Registration is required through Discover Boulder County, Parks & Open Space’s volunteer and event registration system. If you’re new to the system, you'll need to create an account. But it’s easy and we only use your contact information to communicate about events you register for. We will never sell or give your information to a third party.

Event Details

Start dateJuly 21, 2023 8:15 pmEnd dateJuly 21, 2023 10:30 pmCalendarHikes & Events, Parks & Open SpaceGoogle Calendar

Organizer Details

OrganizerCarlos LermaPhone303-678-6214Emailclerma@bouldercounty.gov