22: How To Measure The Universe


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By Chris Stewart and Emily Brunsden. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.

SYZYGY LIVE! Join us for a very special live podcast recording at the University of York’s YorNight 2018: https://www.york.ac.uk/news-and-events/events/yornight/2018/

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Syzygy is produced by Chris Stewart and co-hosted by Dr Emily Brunsden from the Department of Physics at the University of York.

On the web: syzygy.fm | Twitter: @syzygypod

Things we talk about in this episode:

Chris’s video about the cosmic distance ladder: https://www.youtube.com/watch?v=EFoHlWK571k

The AU: https://en.wikipedia.org/wiki/Astronomical_unit

A very simple Parallax explanation: https://youtu.be/iwlMmJs1f5o

Parsec definition: https://en.wikipedia.org/wiki/Parsec

Cepheid Variables: https://www.space.com/15396-variable-stars.html

NGC 4258: http://chandra.harvard.edu/photo/2014/m106/

Type 1a Supernovae: https://imagine.gsfc.nasa.gov/science/objects/supernovae2.html

Edwin Hubble: https://www.spacetelescope.org/about/history/the_man_behind_the_name/

Redshift and blueshift: https://www.space.com/25732-redshift-blueshift.html

Hubble’s Constant: https://www.youtube.com/watch?v=0EP5cNoNuXo

The expanding universe as explained by Brian Cox: https://www.youtube.com/watch?v=PR6wN8ym7SI

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