Video Archive

  • Charon at 40: Four Decades of Discovery on Pluto’s Largest Moon

    The largest of Pluto’s five moons, Charon, was discovered 40 years ago today by James Christy and Robert Harrington at the U.S. Naval Observatory in Flagstaff, Arizona – only about six miles from where Pluto itself was discovered at Lowell Observatory. They weren’t even looking for satellites of Pluto – Christy was trying to refine Pluto’s orbit around the Sun.

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  • Asteroid Florence Has Two Small Moons, NASA Radar Reveals

    Astronomers working with NASA’s 230-foot (70-m) Deep Space Network antenna in Goldstone, CA, have released the first radar images of the near-Earth asteroid (3122) Florence. The images show the asteroid has two small moons.

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  • NASA Plans 1st Robotic Mission to Search for Life on Jupiter’s Ocean Moon, Europa — Will Defy Arthur C. Clark’s Warning: “Attempt No Landing There”

    In September of 2016, astronomers using NASA’s Hubble Space Telescope imaged what may be water vapor plumes erupting off the surface of Jupiter’s moon Europa.

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  • NASA Study: First Direct Proof of Ozone Hole Recovery Due to Chemicals Ban

    For the first time, scientists have shown through direct satellite observations of the ozone hole that levels of ozone-destroying chlorine are declining, resulting in less ozone depletion.

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