Ever see people wearing those T-shirts with a spiral galaxy on saying "You are here" to mark the position of the Sun? The story of how we figured out the Milky Way was a spiral galaxy and where the Sun was in that big structure, starts all the way back in 1610 with Galileo Galilei...
You can pre-order my book ' Space: 10 Things You Should Know' as a hardback (UK only) or e-book (worldwide): http://bit.ly/SpaceDrBecky
Sorry about the clicking noises throughout this video, my new Saturn necklace (which I LOVE) from Pull & Bear was too long and kept hitting my microphone: https://www.pullandbear.com/gb/woman/accessories/planet-pendant-necklace-c1030007512p501549961.html?cS=910
Here are links to the papers mentioned:
Kant (1755) - http://johnstoniatexts.x10host.com/kant/kant2e.htm
Herschel (1785) - https://www.jstor.org/stable/pdf/106755.pdf?refreqid=excelsior%3A29c1e293becc15e25413065b4524229b
Rosse (1850) - https://www.jstor.org/stable/pdf/108449.pdf?refreqid=excelsior%3A3fbd6f144f6087e3fe6e1c69a4eb38ce
Kapteyn (1904) - http://articles.adsabs.harvard.edu/pdf/1904PGro...14D...1K
Leavitt (1912 - published under her male supervisor's name Pickering) - http://articles.adsabs.harvard.edu/pdf/1912HarCi.173....1L
Curtis (1917) - http://articles.adsabs.harvard.edu/pdf/1917PASP...29..206C
Shapley (1918) - http://articles.adsabs.harvard.edu/pdf/1918ApJ....48..154S
Hubble (1926) - http://articles.adsabs.harvard.edu/pdf/1926ApJ....64..321H
Trumpler (1930) - http://articles.adsabs.harvard.edu/pdf/1930PASP...42..267T
Ewen & Purcell (1951) - https://www.nature.com/articles/168356a0
Christiansen & Hindman (1952) - http://articles.adsabs.harvard.edu/pdf/1952AuSRA...5..437C
Rubin (1970) - http://articles.adsabs.harvard.edu/pdf/1970ApJ...159..379R
Georgelin & Georgelin (1976) - http://articles.adsabs.harvard.edu/pdf/1976A%26A....49...57G
Zaritsky (1989) - http://articles.adsabs.harvard.edu/pdf/1989ApJ...345..759Z
Bahcall (1994) - http://articles.adsabs.harvard.edu/pdf/1994ApJ...435L..51B
Benjamin (2005) - https://arxiv.org/pdf/astro-ph/0508325.pdf
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📚 "Space: 10 Things You Should Know": http://bit.ly/SpaceDrBecky
📚 US & Canada version: "Space at the speed of light" (same book, different title): https://www.penguinrandomhouse.com/books/635406/space-at-the-speed-of-light-by-dr-becky-smethurst/
📚 German translation "Das kleine Buch vom großen Knall" : https://www.dtv.de/buch/becky-smethurst-das-kleine-buch-vom-grossen-knall-28254/
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🔭 Royal Astronomical Society podcast that I’m co-hosting 😱 🥳- podfollow.com/supermassive
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📹 Dr. Becky also presents videos on Sixty Symbols: https://www.youtube.com/user/sixtysymbolsand Deep Sky Videos: https://www.youtube.com/user/DeepSkyVideos
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👩🏽💻 Dr Becky Smethurst is an astrophysicist researching galaxies and supermassive black holes at Christ Church at the University of Oxford.
http://drbecky.uk.com
https://rebeccasmethurst.co.uk