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Articles on Curious Kids

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A natural color image of Pluto taken by NASA’s New Horizons spacecraft in 2015. (NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Alex Parker)

Curious Kids: Is Pluto a planet or not?

A young reader asks: Is Pluto a planet?
Even identical twins have different fingerprints. El Greco/Shutterstock.com

How did I get my own unique set of fingerprints?

You've had your own personal set of fingerprints since before you were born, and they'll be with you throughout your whole life.
Unlike Earth’s atmosphere, Jupiter’s ‘sky’ hosts magnificent shades of orange, white, brown and blue. NASA/JPL-Caltech/SwRI/MSSS/Gerald Eichstädt

Curious Kids: is the sky blue on other planets?

Atmospheres can be all different colours, depending on what's in them.

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