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A New Dwarf Planet Hiding in Our Solar System?

Season 53 | 6m 52s

A team of scientists spotted it for the first time using the new Vera C. Rubin Observatory in Chile, equipped with an 8.4 meter telescope that has the world’s largest digital camera. But how was it able to stay hidden for so long?

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust and PBS viewers.
Extras
Harvard geophysicist John Shaw on earthquake science, survival, and how humans trigger quakes.
Falling cats seem to break the rules of motion, but the real explanation is stranger than it looks.
Falling is more complicated than you might think.
Physics says the universe is centerless, but a cosmic alignment has scientists asking questions.
Here’s why centrifugal force is considered a “fictitious” force.
The story of the dolphin reveals how intelligence evolved, step by step, over billions of years.
MIT nuclear scientist Dennis Whyte on fusion energy and its potential today and tomorrow.
Inside the escalating military struggle to control space and the satellites we rely on.
Step into the stunning cave that’s reshaping our understanding of prehistoric art.
Cognitive scientist Federico Rossano on talking dogs, primates, and decoding animal communication.