Name: Ask an Astronomer: Lunar Nuclear Reactors, Planet 9 and Artemis II Up Close
Uploaded: 2026-05-21T18:11:45Z
Duration: 32 min 46 s
Description: On this edition of 'Ask an Astronomer' Dr Phil Langill with the Rothney Astrophysical Observatory explains how urban light pollution is putting our wildlife at

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Ask an Astronomer: Lunar Nuclear Reactors, Planet 9 and Artemis II Up Close

On this edition of 'Ask an Astronomer' Dr Phil Langill with the Rothney Astrophysical Observatory explains how urban light pollution is putting our wildlife at risk.

May 21, 2026 at 1:36PM EDT