Uploaded July 2020 | Updated September 2026, 2 weeks ago

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Cosmologist, Barth Netterfield, studies the Universe. The nature of the Universe, the age of the Universe, the composition of the Universe, it's geometry. He is here to answer the questions of, how we learn about the Universe, the history of the Universe, and we get to know what the Universe was like millions of years ago. Watch as he describes his newest project, Boomerang, and provides "some neat answers and a whole pile of new questions."