Dr. Alfonso Davila (NASA Ames Research Center) Nov. 24, 2025 In 2005, NASA's Cassini spacecraft made a groundbreaking discovery—it found massive plumes of ice and gas erupting from the south pole of Enceladus, a small but geologically-active moon of Saturn. These plumes are now believed to originate from a subsurface ocean of liquid water beneath the moon’s icy crust, with conditions compatible with life, as we know it. The talk focuses on our current understanding of Enceladus' plume and sub...
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Dr. Alfonso Davila (NASA Ames Research Center) Nov. 24, 2025 In 2005, NASA's Cassini spacecraft made a groundbreaking discovery—it found massive plumes of ice and gas erupting from the south pole of Enceladus, a small but geologically-active moon of Saturn. These plumes are now believed to originate from a subsurface ocean of liquid water beneath the moon’s icy crust, with conditions compatible with life, as we know it. The talk focuses on our current understanding of Enceladus' plume and sub...
Observing with the James Webb Space Telescope: Glimpsing the First Stars
Silicon Valley Astronomy Lectures
1 hour 4 minutes
1 year ago
Observing with the James Webb Space Telescope: Glimpsing the First Stars
Nov. 13, 2024Dr. Dan Coe (Space Telescope Science Institute)The Webb Telescope was designed to look back in time, to study the first generation of stars, and reveal our cosmic origins. Now in its second year of operation, JWST has already brought us tantalizingly close to our dream of seeing those first stars. Dr. Coe takes us on a tour of some of the latest results from the telescope, and tells us about his and others' observations of the most distant stars and galaxies astronomers hav...
Silicon Valley Astronomy Lectures
Dr. Alfonso Davila (NASA Ames Research Center) Nov. 24, 2025 In 2005, NASA's Cassini spacecraft made a groundbreaking discovery—it found massive plumes of ice and gas erupting from the south pole of Enceladus, a small but geologically-active moon of Saturn. These plumes are now believed to originate from a subsurface ocean of liquid water beneath the moon’s icy crust, with conditions compatible with life, as we know it. The talk focuses on our current understanding of Enceladus' plume and sub...
