Solar System, Stars and Planets

A large mass of billions of stars, dust, and planets

• solar system
• planet
• galaxy
• universe

A star and the planets, asteroids, and comets that orbit it

• planet
• solar system
• galaxy
• universe

A huge burning ball of hot gas

• moon
• planet
• star
• solar system

A large body that orbits the sun

• moon
• planet
• star 
• solar system

A smaller rocky body that orbits a planet

• moon
• dwarf planet
• planet
• star

Which phenomenon is caused by the same force that causes objects to fall toward the surface of the Earth?

• Earth orbits the sun.
• Sunlight travels to the planets.
• The tails of comets point away from the sun.
• A compass needle points to the North Pole of Earth.

Which is true of our sun?

• It is the largest star in the universe.
• It is an average yellow star.
• It is the brightest star in the galaxy.
• It is the hottest star there is.

Which star is being described here? Makes its own light, located in our solar system

• Our sun
• A star in the constellation Orion
• Both

Why does the sun appear larger than other stars we see at night?

• Daylight brightens the sun, making it appear larger.

• Starlight bends as it passes planets, making the stars appear smaller.

• The sun is closer to the Earth than other stars, making it appear larger.

• Earth's atmosphere filters out light from other stars, making them appear smaller.

Why is Pluto classified as a dwarf planet?

• It is too small to qualify as a planet.
• It is too far away to qualify as a planet.
• It has too few moons to qualify as a planet.
• It has too many objects in its orbit to qualify as a planet.