Exploring Our Solar System - Qs only

What will likely cause the end of complex life on Earth in the future?

• A collision with another planet

• 
  A sudden freeze over

• An invasion by extraterrestrial life

• The Sun's transformation into a red giant

What makes Earth uniquely capable of supporting life?

• 
  Its proximity to the Sun

• 
  Its large moons

• 
  The presence of liquid water and a stable atmosphere

• 
  The abundance of carbon

What will happen to Earth as the Sun becomes a red giant?

• It will escape into outer space

• 
  It will freeze over

• It will be engulfed by the Sun

• 
  It will become more habitable

Why does Uranus have such a unique axis orientation?

• 
  Gravitational pull from its moons

• 
  A collision with an Earth-sized object

• 
  It was formed that way

• 
  It's a natural occurrence in gas giants

What is unique about Uranus's rings?

• 
  They are made of gas

• 
  They are invisible

• 
  They orbit vertically

• 
  They are completely solid

What drives the weather systems on Saturn?

• 
  Solar energy

• 
  Internal heat source

• 
  Magnetic field interactions

• 
  Cosmic radiation

What evidence suggests Mars once had conditions suitable for life?

• 
  Active volcanoes

• 
  High levels of methane in the atmosphere

• 
  Deposits formed from minerals in hydrothermal environments

• 
  Presence of large canyons

What causes Neptune's intense winds?

• 
  Internal heat and lack of solid surface

• 
  Magnetic field interactions

• 
  Solar radiation

• 
  Its large size

What was a significant finding of the MESSENGER mission to Mercury?

• 
  Evidence of water ice

• 
  Presence of an atmosphere

• 
  Signs of biological activity

• Volatile elements on its surface

What is the main reason Earth has retained its atmosphere?

• 
  Thick crust

• Large size

• 
  Presence of oceans

• 
  Its magnetic field