Measuring the Universe With a 14-Billion Light-Year Ruler
Measuring the Universe With a 14-Billion Light-Year Ruler Be Smart
Since the time of the ancient Greeks, scientists have been constructing a cosmic measuring tape to measure the universe from our own backyard all the way to its ever-expanding edge: the cosmic distance ladder. In this video, we climb that ladder and explore how each rung has revealed something new and previously unthinkable about the universe we live in.
About the Program
Be Smart
Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.
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