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Sunday, February 22, 2009

The Sun as seen from other Planets

If you were standing on another planet in our Solar System, the size of the Sun's disk in the sky would be different than the size it looks from Earth.  Below is an image I made of how large the Sun looks from every planet.  Earth is shown in a brighter yellow to help your sense of scale.


From the perspective of lonely Neptune, our Sun just looks like a bright star.   Pluto is not included in the diagram, but its visage of the Sun is the same as Neptune's: a bright star in the distance.

I'm already freaked out by how big the Sun is as seen from Earth - imagine being on Mercury, confronted by that giant ball of nuclear radiation!  Its visible disk is almost 7 times bigger than it is on Earth!

Burton MacKenZie www.burtonmackenzie.com

p.s. Here is an earlier post about Mercury.

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