Exploring Worlds Within Worlds

What is hidden beneath the cloud tops of Neptune and Uranus?

• A magnetic field

• A liquid ocean

• A rocky core

• A gaseous atmosphere

What is the nickname given to the hydrogen cloud discovered around GJ 436b?

• The Giant

• The Colossus

• The Behemoth

• The Leviathan

Why is GJ 436b's atmosphere evaporating?

• Due to its rapid rotation

• Because of extreme irradiation from its parent star

• Because of its large size

• Due to gravitational pull from nearby planets

What makes 'Hot Super-Earths' different from Earth?

• They are closer to their stars

• They have thicker atmospheres

• They are larger and hotter

• They are smaller and colder

What advantage does Hubble's ultraviolet vision provide in studying exoplanets?

• It can detect visible light

• It can see through clouds

• It can observe ultraviolet light blocked by Earth's atmosphere

• It can measure gravitational fields