The Calendar, Australia & White Christmas | Space Time | PBS Digital Studios
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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/aa168
http://www.aanda.org/articles/....aa/pdf/2011/08/aa168
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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
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