This word means a nursery for baby stars.
What is a nebula?
This is the distance from a star at which liquid water can exist.
What is the habitable zone?
These are the three types of planets in our solar system.
What are inner planets, outer planets, and dwarf planets?
The moon has five phases, which are called this.
What are new moon, crescent, first quarter, gibbous, and full moon?
The inner planets are made of these metals.
What are iron and nickel?
These two words mean something that is related to the sun or moon.
What is lunar or solar?
This is a group of stars that form a recognizable picture.
What is a constellation?
These two morphemes create a word that means "a 3-D ball in space".
What is astro and sphere?
This is the name of the brightest astroid.
What is Vesta?
These planets are held in place by gravity.
What are all of them? (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune)
This outer layer of the sun provides it with color.
What is the chromosphere?
This instrument is used to view things at a distance.
What is a telescope?
This planet is located farthest from the sun.
What is Neptune?
Astronauts landed on the moon on this date.
What is July 20th, 1969?
This is how far away the moon is from Earth.
What is 240,000 miles?
This is the term given to the two planets that are located farthest from the sun.
What are ice giants?
This is what scientists call planets that orbit other stars.
What are exoplanets?
The inner planets are made of these three materials.
What are rocks, metals, and gas?
Most comets in space are located here.
What is the Oort Cloud?
These can be several hundred feet wide.
What are asteroids?
This is the force that holds planets in place so they do not float off into the galaxy.
What is gravity?
This is the word used to describe any object located in the sky or the solar system.
An asteroid is a rock is space. A meteor is a rock that has entered Earth's atmosphere.
These are the three most well-known dwarf planets.
What are Pluto, Eris, and Ceres?
This planet is similar in size to Earth's moon.
What is Mercury?
What is one year on Mars?