Formation of planetary systems

Our Moon is thought to be an example of a satellite....

• Formed in the same space as our planet

• Captured by our planet

• Formed from debris after an impact with our planet

The Roche Limit is....

• The line where one body approaching a larger body will disintegrate

• The maximum size of a white dwarf star

• The area where one body can co-orbit another

Tidal gravitational forces are responsible for....

• Ring systems around planets

• Asteroid belts

• Internal heating of moons

• The Moon having a thicker crust on the far side

Jupiter's Galilean moons are thought to be examples of satellites that...

• Formed in the same space as the planet

• Captured by the planet

• Formed from debris after an impact with the planet

Earth and other planets and moons in the solar system have been, and are still, hit my comets, meteors and asteroids

• True

• False

It is difficult to detect exoplanets because...

• They are far away

• Light from the parent star is very strong

• They could be invisible

• They might not cross our line of sight

Radial velocity is a method to detect exoplanets by measuring...

• Changes in the light from a star as the planet passes in front of it

• The tiny wobble of a star caused by the planet's pull

• Changes in the movement of a star towards and away from Earth using the Doppler Effect

• Tracking signals sent from the planet's surface

Transit is a method to detect exoplanets by measuring...

• Changes in the light from a star as the planet passes in front of it

• The tiny wobble of a star caused by the planet's pull

• Changes in the movement of a star towards and away from Earth using the Doppler Effect

• Tracking signals sent from the planet's surface

Astrometry is a method to detect exoplanets by measuring...

• Changes in the light from a star as the planet passes in front of it

• The tiny wobble of a star caused by the planet's pull

• Changes in the movement of a star towards and away from Earth using the Doppler Effect

• Tracking signals sent from the planet's surface

The Habitable Zone is also known as...

• The Golden Zone

• The Krypton Zone

• The Gingerbread Zone

• The Goldilocks Zone