Weirdest planets in the universe
Chapter 1
Worlds of extreme ingredients
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Chapter 2
Surviving in extreme cosmic neighborhoods
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Chapter 3
Wild weather and molten surfaces
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Chapter 4
The detective work of finding weird planets
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YOUR GOAL
Master of Weirdest planets in the universe
Ch 1 · Worlds of extreme ingredients
teacher Out in the cosmos, a planet so wild! (Oceans of lava, oh-oh!) Supersonic winds blow through the sky! (And it rains rocks, oh yeah!)
Fun Fact
Diamond planet: Astronomers estimate the diamond value of planet 55 Cancri e at 26.9 nonillion dollars, which is 384 quintillion times Earth's total GDP.
Glossary
exoplanet (noun)
A planet that orbits a star outside the solar system. In 2004, astronomers discovered 55 Cancri e, which likely contains a massive diamond core.
A planet that orbits a star outside the solar system. In 2004, astronomers discovered 55 Cancri e, which likely contains a massive diamond core.
Quiz
What keeps the ice on planet Gliese 436 b solid despite its scorching 800-degree temperature?
Quiz
Which telescope confirmed the cobalt-blue color of the glass-raining planet HD 189733b in 2013?
Quiz
How long does it take for the carbon-rich planet 55 Cancri e to complete one orbit around its star?