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by former Southworth Planetarium Director Edward Herrick-Gleason

The Wandering Astronomer

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  • The Wandering Astronomer Blog
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  • Mogh Ruith Virtual Planetarium–COMING SOON!

Stellar Astronomy

  • How Astronomers Determine the Age of Stars: Why Star Clusters Are Easier to Date
    August 17, 2026

    How Astronomers Determine the Age of Stars: Why Star Clusters Are Easier to Date

    World’s Edge Publishing
  • How fast is NASA’s Voyager 1 moving and how long will it take to reach another star after leaving the solar system?
    August 5, 2026

    How fast is NASA’s Voyager 1 moving and how long will it take to reach another star after leaving the solar system?

    World’s Edge Publishing
  • Quiz: The Sun!
    July 30, 2026

    Quiz: The Sun!

    World’s Edge Publishing
  • What do the rotating structure and accretion disc around a young star in the Large Magellanic Cloud tell us?
    July 28, 2026

    What do the rotating structure and accretion disc around a young star in the Large Magellanic Cloud tell us?

    World’s Edge Publishing
  • Can you explain Kepler’s laws? Why does each planet move on an elliptical orbit?
    July 27, 2026

    Can you explain Kepler’s laws? Why does each planet move on an elliptical orbit?

    World’s Edge Publishing
  • How does the Sun’s apparent magnitude change as you move from Earth to the edge of the solar system?
    July 26, 2026

    How does the Sun’s apparent magnitude change as you move from Earth to the edge of the solar system?

    World’s Edge Publishing
  • How Close Would a Supernova Have to Be to Destroy Life on Earth?
    July 26, 2026

    How Close Would a Supernova Have to Be to Destroy Life on Earth?

    World’s Edge Publishing
  • What are the odds of the sun exploding and destroying life on Earth in a few billion years? What can humanity do to prevent this from happening?
    July 25, 2026

    What are the odds of the sun exploding and destroying life on Earth in a few billion years? What can humanity do to prevent this from happening?

    World’s Edge Publishing
  • Class # 23: The Closest Stars
    October 16, 2024

    Class # 23: The Closest Stars

    World’s Edge Publishing
  • Class # 22: Everything!
    October 15, 2024

    Class # 22: Everything!

    World’s Edge Publishing
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Explore the cosmos with Edward Herrick-Gleason, Director of the Southworth Planetarium . We’ll find much to engage us: from the moon phases to the complex planetary motions to the formation of galaxies. Along the way we’ll discover that the celestial realm and terrestrial world are inextricably linked, for the former gave rise to the latter and, of course, to us, as well.

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  • Mogh Ruith Virtual Planetarium–COMING SOON!

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