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The Calendar, Australia & White Christmas | Space Time | PBS Digital Studios

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 Astronomy   |   Environmental   |   Physics   |   Science
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Want to ask some sort of crazy question about Space?:
Tweet at us! @pbsspacetime
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Email us! pbsspacetime [at] gmail [dot] com
Comment on Reddit: http://www.reddit.com/r/pbsspacetime

Let us know what topics you want to learn more about:
http://bit.ly/spacetimepoll

Australia will perpetually encounter the season opposite to the one we in the northern hemisphere will encounter, so does this means that Australia will never get a white Christmas? You may think the answer is YES, but on this week’s episode of Space Time we look at how Earth’s orbit around the sun, tilt on its axis, and other motions combine with our own perception of time to make this answer not be as definite as you might think! Check it out!

Extra Credit:

Veritasium gyroscope video:
https://www.youtube.com/watch?v=ty9QSiVC2g0

Other resources on gyroscopic precession:
https://www.youtube.com/watch?v=jQEKhIovKA0
http://butikov.faculty.ifmo.ru/Gyroscope.pdf
https://www.youtube.com/watch?v=aZlT26lF5Fw

Other videos about leap years, years and the calendar:
https://www.youtube.com/watch?v=cGjP3vAZGa4 (It's Okay to be Smart)
https://www.youtube.com/watch?v=53glKEPzElA (minutephysics)
https://www.youtube.com/watch?v=xX96xng7sAE (CGP Grey)

The tropical year and the solar calendar:
http://adsabs.harvard.edu/abs/1991JRASC..85..121B

Long-term orbit of Earth through space:
http://www.aanda.org/articles/aa/abs/2011/08/aa16836-11/aa16836-11.html
http://www.aanda.org/articles/aa/pdf/2011/08/aa16836-11.pdf

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Comments:

acapellascience
https://www.youtube.com/watch?v=gWYEnvMM1dA&lc=z12sgf2o4rytifkb404citkipn3pxr0gg54

Ben McLean
https://www.youtube.com/watch?v=gWYEnvMM1dA&lc=z121wpiymqqmxjv3c23rzvijanm5i5i22

Jack King
https://www.youtube.com/watch?v=gWYEnvMM1dA&lc=z12eezmbps3fcfty204cfrrwowq0wdlazss0k

Music:
Saw Slicing - Patternbased (https://soundcloud.com/patternbased)
Heisse Luft - Thompson and Kuhl (https://soundcloud.com/phlow/05-x-com)
u dont know im fadin
Deep Blue - Janne Hanhisuanto (https://soundcloud.com/jannehanhisuanto)
Earth Breath - Human Terminal (http://freemusicarchive.org/music/Hum...)
Tropico de Tauro - Sr. Aye https://soundcloud.com/sr-aye)
Secret Society - Logical Disorder (http://logicaldisorder.bandcamp.com/)


New SpaceTime episodes every Wednesday!

Hosted by Gabe Perez-Giz
Made by Kornhaber Brown (www.kornhaberbrown.com)

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