The Science Asylum | How Do We KNOW What Stars Are Made Of? @ScienceAsylum | Uploaded 7 years ago | Updated 4 hours ago
If stars are so far away, then how do we know what they're made of? It's absorption spectrum! Even our closest star, the Sun, is way too hot to take a sample, so we have to rely on what the light can tell us.

Nick Lucid - Host/Writer/Editor/Animator
Vanessa R Bradley - Thumbnail
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VIDEO ANNOTATIONS/CARDS

How do we know the Universe is expanding?
youtu.be/LE_wbOw39Mk

How Do We Know Things About Stars?
youtu.be/lAu0wenIAIE

Why Are Some Things Transparent?
http://youtu.be/wDu0KMdDD1I
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HUGE THANK YOU TO THESE PATRONS

** Andy Kirkham, Nikko Lai, Clint Cloys, Rick Finn, Evgeny, Preston From, Christian McCracken **
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Patreon:
http://www.patreon.com/ScienceAsylum

Advanced Theoretical Physics (eBook):
gumroad.com/l/ubSc

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OTHER SOURCES

http://www.bbc.com/earth/story/20160128-how-do-we-know-what-stars-like-our-sun-are-made-of
http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/atspect.html
http://hyperphysics.phy-astr.gsu.edu/hbase/mod6.html
http://physics.nist.gov/PhysRefData/ASD/lines_form.html
archive.org/details/WilhelmScreamSample
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LINKS TO COMMENTS

Redshift - PapaKay:
youtube.com/watch?v=LE_wbOw39Mk&lc=z12rdhfaavurwdud422mifbo1tyze3i3m

Redshift - Davis1118:
youtube.com/watch?v=LE_wbOw39Mk&lc=z12sgtahumnfyfsjk04cilyyow2kv3epcvg0k

Magenta Correction - Alberto Torres:
youtube.com/watch?v=LE_wbOw39Mk&lc=z13pz3zodracdfucx23rcrho0uejgfpta
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IMAGE CREDITS

Fraunhofer:
commons.wikimedia.org/wiki/File:Fraunhofer_2.jpg

Astronaut:
commons.wikimedia.org/wiki/File:ISS-32_American_EVA_b3_Aki_Hoshide.jpg