Stellar occultations of planetary rings: from Palomar to CassiniChance observations of stars as they pass behind planets have provided some of our most valuable data on the structure of planetary ring systems, beginning with the discovery of the uranian rings with the Kuiper Airborne Observatory in 1977. As a graduate student at Caltech in the 70s, I became ...
California has the most ambitious climate policy framework in the world, and the Bay Area has the resources, political temperament and innovative spirit to demonstrate how to work toward eliminating fossil fuel use. But is that spirit enough to go fossil-free? San Jose is doing exploratory work on a clean ...
Where: San JoseCost: $10 General, Free for members
Oaks in OaklandLearn all about the trees that Oakland is named after! We'll look at the different oaks around Lakeside Park. We will discuss the natural history of oaks and how to identify different both native and exotic species.
The Bee-Friendly GardenPlanting pollinator gardens not only ensures your vegetables, flowers and fruit trees are pollinated, but can help perpetuate plants that depend on pollination - over 80% of the world’s plants! Though many of us think of honeybees when we think of pollinators, there are 1600 species of native bees in ...