Astronomy Daily Review (Week 13)

A scientist who studies celestial objects is known as a..

• Astrologer

• Astronomer

• Astrologist

• Philosopher

A massive ball of gas which generates light from nuclear fusion.

• planet

• comet

• galaxy

• star

Balls of rock or gas that orbit the Sun.

• planets

• stars

• galaxies

• moons

Select the list that includes only terrestrial planets.

• Mercury, Venus, Jupiter

• Earth, Mars, Neptune

• Venus, Mercury, Mars

• Earth, Saturn, Venus

Select the statements that describe the term 'orbit'.

• The path that a planet takes around a star.

• The movement of a body it's axis.

• The path that an artificial satellite takes around a plant.

• The path that a moon takes around a planet.

Select the list that includes only gas giants.

• Mars, Uranus, Neptune

• Jupiter, Saturn, Uranus

• Saturn, Uranus, Earth

• Neptune, Venus, Jupiter

When a space rock survives the trip through Earth's atmosphere and lands it is called a...

• comet

• shooting star

• asteroid

• meteorite

State the number of planets in our solar system.

• 7

• 8

• 9

• 10

Select the list that orders the planets correctly (starting from closest to the Sun).

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

• Mars, Venus, Earth, Mercury Jupiter, Saturn, Uranus, and Neptune

• Mars, Venus, Earth, Mercury, Neptune, Jupiter, Uranus, and Saturn

• Earth, Venus, Mercury, Mars, Jupiter, Saturn, Neptune and Uranus

The gravitationally bound system of the Sun and the objects that orbit it is

• a galaxy

• the universe

• the solar system

• space