Chapter 1
Rains of terror and heavy metal skies
Chapter 2
Melting points and precious rocks
Chapter 3
Multiple suns and cosmic dances
Chapter 4
Homeless wanderers and steam worlds
Ch 1 · Rains of terror and heavy metal skies
artiteacher Exoplanet WASP-121b
The football planet's leaking heavy metal gas! (Yeah, yeah!) Iron and magnesium escaping from its mass! (Let's go!)
artiteacher Located 63 light-years away, this world features 5,400 mph winds that blow molten silicate particles sideways through the atmosphere.
Quiz
Why does WASP-76b have such a massive temperature difference between its two hemispheres?
Fun Fact
Gemstone clouds: The clouds on exoplanet HAT-P-7b are made of corundum, meaning it theoretically rains liquid rubies and sapphires on its cold night side.
Quiz
Which mineral, famous for forming rubies and sapphires, makes up the clouds of HAT-P-7b?
Glossary
exoplanet (noun)
A planet that orbits a star outside our solar system. Discovered in 2005, the gas giant HD 189733b features silicate clouds and howling supersonic winds.
A planet that orbits a star outside our solar system. Discovered in 2005, the gas giant HD 189733b features silicate clouds and howling supersonic winds.
Quiz
Which heavy metals were first spotted escaping from the atmosphere of WASP-121b?
Quiz
What shape is the exoplanet WASP-121b due to the immense gravity of its parent star?