Were the Planets Always in the Same Order?

Published on Jan 3, 2017
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SciShow Space
Were the Planets Always in the Same Order?

Four rocky inner planets and four gaseous outer planets - makes sense, right? But when astronomers turned their eyes to planets beyond our star system they found out that many systems are set up differently. Why?

Learn more about the solar system: https://www.youtube.com/watch?v=YuZ2B...

Hosted by: Reid Reimers

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Sources:
https://arxiv.org/abs/astro-ph/0701485
http://www.astro.le.ac.uk/~rda5/plane...
https://arxiv.org/abs/astro-ph/0101332
https://arxiv.org/abs/1307.4811
https://www.eurekalert.org/pub_releas...
https://www-n.oca.eu/morby/papers/nat...
https://arxiv.org/abs/1201.5177
https://www.faa.gov/other_visit/aviat...

Image Sources:
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...