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Neil deGrasse Tyson: what is dark matter and dark energy?

In this video, astrophysicist and planetary scientist Neil deGrasse Tyson offers a comprehensive analysis of what dark matter and dark energy could be.

Mysterious dark matter makes up the bulk of a galaxy’s mass and forms the foundation of our universe’s large-scale structure. Because dark matter does not emit, absorb, or reflect light, its presence is only known through its gravitational pull on visible matter in space.

With his inimitable wit, DeGrasse Tyson explains known hypotheses for what the enigmatic substance might be, then poses a mind-boggling question about its origin: could dark matter – or, more fittingly, dark ‘gravity’ – originate from other universes in the multiverse?

Ultimately, the universe is far from being fully known. There are many different theories as to what dark matter and dark energy actually are, and scientists have been trying to come to a definitive conclusion for decades. Recently, though, new detection methods have been developed, which could lead to a significant breakthrough in our understanding of the cosmos.

View the original video here.

Good Living is the Cyprus Mail’s portal of curated content from across the internet, showcasing local and global ideas, cultural highlights, and scientific and technological developments to inspire a sustainable life.

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