The Seen and the Unseen, hosted by Amit Varma, features longform conversations that aim to give deep insights into the subjects being discussed. Timeless and bingeworthy.
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64: The Local Arm of the Milky Way and the Sun's Changing Place. Dr. Ken Croswell discusses new revelations about the Milky Way, a spiral galaxy. The Sun is in the local arm, also called the Orion arm, which is a vigorous star nursery containing the Orion
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Content provided by Audioboom and John Batchelor. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Audioboom and John Batchelor or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
The Local Arm of the Milky Way and the Sun's Changing Place. Dr. Ken Croswell discusses new revelations about the Milky Way, a spiral galaxy. The Sun is in the local arm, also called the Orion arm, which is a vigorous star nursery containing the Orion Nebula. Previously considered a minor spur, the local arm is now known to be substantial, extending at least 26,000 light-years. Observations rely on maser parallaxes measured by radio telescopes and precise data from the optical Gaia spacecraft. The Sun is not a permanent resident of this arm.
52172 episodes
MP3•Episode home
Manage episode 518244851 series 96788
Content provided by Audioboom and John Batchelor. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Audioboom and John Batchelor or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
The Local Arm of the Milky Way and the Sun's Changing Place. Dr. Ken Croswell discusses new revelations about the Milky Way, a spiral galaxy. The Sun is in the local arm, also called the Orion arm, which is a vigorous star nursery containing the Orion Nebula. Previously considered a minor spur, the local arm is now known to be substantial, extending at least 26,000 light-years. Observations rely on maser parallaxes measured by radio telescopes and precise data from the optical Gaia spacecraft. The Sun is not a permanent resident of this arm.
52172 episodes
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