Black holes and why time slows down when you are near one
Brian Greene provides a visual exploration of black holes and some of the mathematics that underlies them. This video is an episode in his Daily Equation series.
© World Science Festival (A Britannica Publishing Partner)
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Courtesy of Northwestern University (A Britannica Publishing Partner)Learn about the significance of gravitational waves in science and in everyday life.
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© Open University (A Britannica Publishing Partner)Learn about the three general types of galaxies: spiral, elliptical, and irregular.
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© Open University (A Britannica Publishing Partner)An overview of Subrahmanyan Chandrasekhar's contribution to the understanding of black holes.
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© MinutePhysics (A Britannica Publishing Partner)Infrared energy from stars causes space and the night sky to appear dark.
