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An Astronomer from Texas Visits the Grand Canyon
In the newest episode of the Arizona Highways podcast, host Steve Goldstein and Arizona Highways editor Robert Stieve talk with Stephen Hummel — the astronomer-in-residence at Grand Canyon National Park — about the importance of dark skies and why Pluto was demoted to a dwarf planet.
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By Arizona Highways Podcast Network
4.8
2424 ratings
In the newest episode of the Arizona Highways podcast, host Steve Goldstein and Arizona Highways editor Robert Stieve talk with Stephen Hummel — the astronomer-in-residence at Grand Canyon National Park — about the importance of dark skies and why Pluto was demoted to a dwarf planet.
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