How to Classify Stars
03/12/23 • 58 min
Rose and Elliott look at what makes stars different from each other and how to classify them, as well as the work of the “Harvard computers” that made stellar classification possible. They look at stellar spectroscopy and black-body radiation, the colour of stars and find out just why it took so long to make the Harvard system of classifying stars. After all, how hard can it be?
Find us at throughthetelescope.co.uk
Links relating to this episode:
Annie Jump Cannon and stellar classification: https://princetonastronomy.com/2021/02/01/annie-jump-cannon-and-the-creation-of-stellar-classification/
Music:
"Nowhere Land" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/by/4.0/
Get bonus content on PatreonHosted on Acast. See acast.com/privacy for more information.
Rose and Elliott look at what makes stars different from each other and how to classify them, as well as the work of the “Harvard computers” that made stellar classification possible. They look at stellar spectroscopy and black-body radiation, the colour of stars and find out just why it took so long to make the Harvard system of classifying stars. After all, how hard can it be?
Find us at throughthetelescope.co.uk
Links relating to this episode:
Annie Jump Cannon and stellar classification: https://princetonastronomy.com/2021/02/01/annie-jump-cannon-and-the-creation-of-stellar-classification/
Music:
"Nowhere Land" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/by/4.0/
Get bonus content on PatreonHosted on Acast. See acast.com/privacy for more information.
Previous Episode
Solar Activity and Solar Sails
Rose and Elliott look at the activity of the Sun, what the surface looks like and the importance of magnetic fields. From coronal mass ejections, to flares and sunspots, they discover all the weather you can expect on the Sun before looking at how it can be used to drive spacecraft with solar sails.
Find us at throughthetelescope.co.uk
Links relating to this episode:
Near-live images of the Sun and its features: https://sdo.gsfc.nasa.gov/data/dashboard/
Solar cycles: https://www.esa.int/Space_Safety/Solar_cycle_25_the_Sun_wakes_up
LightSail: https://www.planetary.org/sci-tech/lightsail
Music:
"Nowhere Land" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/by/4.0/
Get bonus content on PatreonHosted on Acast. See acast.com/privacy for more information.
Next Episode
Mercury
Rose and Elliott look at the closest planet to the Sun, and see what more there is to the planet than being small. Does size really matter? They also look at the missions that have gone to the planet, and why alchemists were mad about Mercury.
Find us at throughthetelescope.co.uk
Music:
"Nowhere Land" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/by/4.0/
Get bonus content on PatreonHosted on Acast. See acast.com/privacy for more information.
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