Discovering Invisible Forces in Our Universe, with Adam Riess

How did scientists discover evidence for dark energy? Neil deGrasse Tyson and comedian Paul Mecurio explore dark energy, Hubble tension, and the beginning and end of the universe with astrophysicist and Nobel laureate, Adam Riess. Learn the story of how Adam helped discover dark energy, and how he wrote equations expecting to measure deceleration only to watch his computer spit out negative mass, signaling acceleration instead.

Courtesy of StarTalk on YouTube. Watch on YouTube ↗

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