For 500 years, telescopes have opened windows on the cosmos with increasing power and precision. Beginning with the historic telescopes funded by Andrew Carnegie and built by George Ellery Hale atop Pasadena’s Mount Wilson, where Edwin Hubble confirmed the existence of the universe beyond our Milky Way galaxy and revealed ...
Where: San FranciscoCost: $22 General, member discounts
Saturday, 08/01/26
Community-access Hiking Day at Martin Griffin PreserveConnect with the land at Martin Griffin Preserve, a stunning landscape of nearly 1,000-acres of mixed evergreen forest and open hillsides overlooking the Bolinas Lagoon. This biologically rich preserve supports more than 25 species of mammals, 90+ species of landbirds, 13 species of reptiles, and 8 species of amphibians, making ...
Where: Stinson BeachCost: Free
Space Week Festival Day 1Prepare for liftoff at the Space Week Festival! Gather your crew and enjoy a celebration of exploration, discovery, and the wonders of the universe! Chat with an astronaut, learn more about NASA’s Artemis missions, and try your hand at interactive science demonstrations and creative crafts in an action-packed day of ...
Where: OaklandCost: $24 Adults, $19 Youth, Seniors, Students
First Saturday Tours are a wonderful way to introduce yourself to the Arboretum or to deepen your knowledge of the Arboretum’s plant collections. Each tour is a little different depending on the time of year, the interests of the tour guide, and the people who join in. For example, you ...
Where: Santa CruzCost: Free with admission
Sunday, 08/02/26
Space Week Festival Day 2Prepare for liftoff at the Space Week Festival! Gather your crew and enjoy a celebration of exploration, discovery, and the wonders of the universe! Chat with an astronaut, learn more about NASA’s Artemis missions, and try your hand at interactive science demonstrations and creative crafts in an action-packed day of ...
Where: OaklandCost: $24 Adults, $19 Youth, Seniors, Students
Solar ObservingIt’s there for us year round, lighting our days and providing energy for our lives, so maybe it’s time to give it a closer look. Join SJAA for amazing and detailed views of the Sun, and be assured that we’ll be using special telescopes that will keep your eyeballs perfectly ...
