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What makes give Neptune its blue-green color?



This question is part of Solar System Advance Science 6
Asked by Cbcbblock, Last updated: Jul 25, 2020

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2 Answers

V. Barnes

V. Barnes

Answered Sep 17, 2019

Neptune is one of the eight planets in the Solar System. The other seven planets are Venus, Mercury, Mars, Jupiter, Uranus, and Saturn. There used to be a ninth planet, named Pluto, but in 2008 it became a dwarf. When astronomers see Neptune, they see a planet that has a blue-green hue to it.

This is because the atmosphere of Neptune is made of helium, methane, and hydrogen. The methane is a key reason why it is blue-green because it absorbs the Sun's red light. However, back in Space, it reflects a blue-ish green light, which is what we see.

 

kerina.granger

Kerina.granger

Answered Sep 06, 2017

Can someone tell me what gives Neptune it's blue green color.thank you

 

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