Big Astronomy

Big Astronomy 
Monday-Friday: 11:30 am, 12:30 pm, 2:30 pm
Saturday-Sunday: 10:30 am, 11:30 am, 12:30 pm, 1:30 pm, 2:30 pm, 3:30 pm
Capacity extremely limited, reservations required

Unlock the secrets of space through Chile's epic mountain observatories in the California Academy of Sciences' newest planetarium show, Big Astronomy. Meet the fascinating people who push the limits of technology with world-class telescopes that explore our Universe, near and far.

Please note: Planetarium shows are included with admission, but capacity is extremely limited to ensure sufficient physical distancing between guests. Reservations are required and are available on a first-come, first-served basis: Please scan the QR code posted in the lobby as soon as you arrive for the greatest selection of available showtimes. We regret that we can’t guarantee the availability of reservations during periods of high demand, especially weekends and holidays. For more information, please view the FAQs on our planetarium page here.

Planetarium shows may not be appropriate for children under 7, and we regret that we cannot admit any children under 4.