Cosmic Distance Ladders: How Far are the Stars and How Do We Know?

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Program Type: Exoplanets
Age Group: Adults, Teens

Event Details

The cosmic distance ladder (also known as the extragalactic distance scale) is the way astronomers measure the distance of objects in space. Join amateur astronomer Jay Bakst to explore the science involved, and the techniques used, to calculate the distances to celestial objects and the expansion rate of the universe.