Planets
Measurement
Light
Objects in Space
Misc.
100

How many planets do we have in our solar system?

Eight

100

One ________ is equal to the distance light travels in one year, traveling at 300,000 km per second.

Light Year

100

What is at the center of our solar system that everything orbits around?

Sun

100

A __________ is a chunk of ice & dust that has a bright head & a long narrow tail.

Comet

100

What are the names of the two telescopes that we have orbiting our planet?

Hubble

James Webb

200

What is the hottest planet in our solar system?

Venus

200

One ________ is equal distance from the Earth to the Sun (1 ______ = 150,000,000 km).

Astronomical Unit

200

Which form of light is more intense and has more heat?

Direct Light

200

Stars are formed from big clouds of gas and dust is known as..?

Nebula

200

True or False: Gas giants were the first to form.

True

300

What is the largest planet in our solar system?

Jupiter

300

Earth completes one full ___________ on its axis every 24 hours.

Rotation

300

Which of the following happens in Spring and Autumn where there are equal amounts of day and night hours?

Equinox

300

A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction is called a....

Galaxy

300

What is the name of the star closest to Earth?

Sun

400

What are the four inner planets labeled as?

Rocky/Terrestrial

400

Earth completes one full ___________ on its axis every 365 days.

Revolution

400

What is it called in Summer when we have the longest day and shortest night in the Northern Hemisphere?

Solstice

400

Which two words mean: all of space and everything in it including stars, planets, galaxies, etc.

Universe & Cosmos

400

True or False: When rocky material and metals near the sun form into chunks, this is called accreting.

True

500

What are the four outer planets labeled as?

Gas giants

500

The distance from an object in space to the body which it is orbiting, is called...

Orbital Radius

500

What is at the center of every galaxy where no light can be seen?

Black hole

500

What is the name of the thing that orbits the sun between Mars and Jupiter?

Asteroid Belt

500

What is the correct order of the planets, starting at the sun?

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune