Characteristics of the Solar System day 2 Exit Ticket

What is the definition of an astronomical unit?

• The distance from the Earth to the Sun

• The distance from the Sun to Pluto

• The distance from the Earth to the Moon

• The distance from the Sun to Mars

What is the difference between revolution and rotation?

• Revolution is the spinning of a celestial body, while rotation is the orbiting of an object around another object

• Revolution is the orbiting of an object around another object, while rotation is the spinning of a celestial body

• Revolution and rotation are the same thing

• None of the above

Which planet is closest to the Sun?

• Mercury

• Venus

• Earth

• Mars

How many dwarf planets are currently known?

• 3

• 5

• 8

• 10

True or False: The planets revolve around the Sun in a circular orbit.

• True

• False

• Cannot be determined

• Not mentioned in the text