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New Scientist Podcasts

Dead Planets Society: A Neverending Solar Eclipse

Apr 29, 2024
Join space scientist Chelsea Whyte and astronomer Leah Crane as they discuss their mission to block the Sun from view at all times, recreating the primal fear of an eclipse. From modest sunshades in orbit to moving entire planets, they explore the risks and challenges of creating a constant solar eclipse on Earth. With the help of astronomer Bruce Macintosh, they even call on knitters to aid in creating the largest piece of art ever made. Listen in for outlandish ideas on tinkering with the cosmos, all subject to the laws of physics.
27:03

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Quick takeaways

  • Creating a constant eclipse in space using a giant sunshade can provide moments of eclipse on Earth while preserving the total eclipse experience.
  • Deploying multiple small sunshades in space to block out the sun requires precise navigation and positioning to avoid collision and maintain safety for life on Earth.

Deep dives

Creating a Constant Eclipse in Space

Scientists discuss the concept of creating a constant eclipse in space using a giant sunshade at the Earth-sun Lagrange point L1. By placing a large shade at L1, a shadow would be cast onto the Earth during specific times, allowing for a few hours of eclipse in different locations on Earth. This method involves adjusting the size of the shade to control the patch of shadow on Earth and maintain a view of the corona, emphasizing the importance of preserving the total eclipse experience.

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