Benjamin Dean Astronomy Lectures | California Academy of Sciences

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This image of supernova remnant Cassiopiea A combines visible, infrared, and x-ray views to provide a more complete picture of the object than a picture taken in only one spectral region.

Benjamin Dean Astronomy Lectures

Celebrating 20 Years with NASA's Chandra X-ray Observatory

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

Look back on 20 years of astronomical discoveries by NASA's game-changing Chandra X-Ray Observatory.
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Can studying whale communications help us figure out how to talk to ET?

Benjamin Dean Astronomy Lectures

Humpback Whale Song as an Intelligence Filter for SETI

Mon. Dec. 2nd at 7:30 pm - Planetarium

Do the rules of humpback whale communication also apply to extraterrestrials?
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This image from the Atacama Large Millimeter/submillimeter Array in Chile is the best ever taken of a planetary system in formation.

Benjamin Dean Astronomy Lectures

Baby Planets and Their Nurseries

Mon. Jan. 13th at 7:30 pm - Planetarium

Thousands of planets have been discovered outside our solar system. Are they what astronomers expected?

Recorded Lectures

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