Daniel and Kelly’s Extraordinary UniverseWhat's the densest thing in the Universe that's not a black hole?
Daniel and Kelly’s Extraordinary Universe
Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth …769 clip(s)
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Daniel and Kelly dive into the hearts of blue giants, massive planets, and neutron stars to reveal a surprising limit on cosmic density.
