Why Are the Inner and Outer Planets Different?

Published on Oct 25, 2016
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SciShow Space
Why Are the Inner and Outer Planets Different?

The planets in our solar system have a very specific order. But have you wondered why they have the order they do?

Hosted by: Hank Green
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Sources:
Possible images:
Protoplanetary disks: https://en.wikipedia.org/wiki/Protopl...
https://en.wikipedia.org/wiki/Protopl...
https://en.wikipedia.org/wiki/Fomalha...
A young star: https://en.wikipedia.org/wiki/Protost...
Earth water comparison: http://water.usgs.gov/edu/earthhowmuc...

Sources:
http://atropos.as.arizona.edu/aiz/tea...
http://lasp.colorado.edu/education/ou...
http://lasp.colorado.edu/~bagenal/101...
http://iopscience.iop.org/article/10....
https://arxiv.org/pdf/1207.4284v1.pdf
http://nssdc.gsfc.nasa.gov/planetary/...
http://www.rsc.org/periodic-table