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      • If you get away from city lights and look up, the sky between the stars appears very dark indeed. Above the Earth’s atmosphere, outer space dims even further, fading to an inky pitch-black. And yet even there, space isn’t absolutely black. The universe has a suffused feeble glimmer from innumerable distant stars and galaxies.
      www.nasa.gov/missions/hubble/new-horizons-spacecraft-answers-question-how-dark-is-space/
  1. Jan 13, 2021 · How dark does space get? If you get away from city lights and look up, the sky between the stars appears very dark indeed. Above the Earth’s atmosphere, outer space dims even further, fading to an inky pitch-black. And yet even there, space isn’t absolutely black.

  2. starchild.gsfc.nasa.gov › docs › StarChildWhy is space black? - NASA

    At night, when that part of Earth is facing away from the Sun, space looks black because there is no nearby bright source of light, like the Sun, to be scattered. If you were on the Moon, which has no atmosphere, the sky would be black both night and day.

  3. Oct 16, 2023 · An astronomer explains why space looks so dark despite containing 200 billion trillion stars.

  4. Feb 23, 2015 · The sky is so dark that an astronaut hiding from sunlight in a shadow would be able to see the stars. NASA The answer to this question can be summed up in two words: no atmosphere.

  5. Oct 19, 2023 · Astronomers hypothesize that in the distant future – a thousand trillion years from now – the universe will go dark, inhabited by only stellar remnants like white dwarfs and black holes.

  6. Jun 28, 2023 · Have you ever pondered why space is black? This profound question lies at the heart of a centuries-old enigma known as Olbers Paradox. Olber wondered, if the universe is infinite and full of stars, why we don’t see a uniformly bright night sky.

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  8. One astronomer attempted to answer how dark space is by collating the brightnesses of known stars and galaxies, and in the answer converges at a visual magnitude of –6.5, or 0.3% as bright as a full Moon.

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