Benjamin Dean Astronomy Lectures | California Academy of Sciences

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A large eruption in the low solar atmosphere caught in the act by NASA’s Interface Region Imaging Spectrograph (IRIS), a solar telescope orbiting Earth since 2013. Earth is shown for scale. When these types of events propagate into interplanetary space they can impact space nearby Earth, causing space weather.

Benjamin Dean Astronomy Lectures

Unraveling the Mysteries of the Sun's Atmosphere

Mon. Oct. 7th at 7:30 pm - Planetarium

How does the Sun's magnetic field drive the heating of its 10,000-degree chromosphere and million-degree corona?
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Cosmic Cliffs is the edge of a nearby, young, star-forming region NGC 3324 in the Carina Nebula. The Near-Infrared Camera (NIRCam) on NASA’s James Webb Space Telescope captured it in infrared light, a light our eyes cannot perceive.

Benjamin Dean Astronomy Lectures

Seeing Beyond Sight: Astronomical Images and the Aesthetics of the Sublime

Mon. Nov. 4th at 7:30 pm - Planetarium

How do we represent what lies beyond our sight?