| Question | Answer |
| Planets between the asteroid belt and the sun | inner planets/rocky planets |
| large sphere made mostly of gases | star |
| small mass of ice and dust that orbits the sun | comet |
| instrument used to observe objects in space | telescope |
| imaginary line that earth rotates around | axis |
| larges spheres of gases found beyond the asteroid belt | outer planets/gas giants |
| group of stars that forms a pattern | constellation |
| large object that moves around a star | planet |
| central star and all the objects that move around it | solar system |
| space vehicle that carries cameras, instruments, and other tools | space probe |
| path an object takes when revolving around another object | orbit |
| small, rocky objects that move between the orbits of Mars and Jupiter | asteroid belt |
| rings around the planets are formd by | rock, ice crystals, & dust |
| planets that are close to the sun orbit ________ than planets farther away from the sun | faster |
| What did the space probe find on Mars that could prove that water once existed on Mars? | sedimentary rock |
| What does Earth have that no other planet has? | liquid water |
| what is the source of almost all the energy in our solar system? | sun |
| Why do most constellations appear in different places in the sky during the year? | Earth revolves around the sun |
| Name the 5 types of stars in order from smallest to largest? | neutron stars, white dwarfs, dwarfs, giants, supergiants |
| What type of star is our sun? | dwarf |
| What form of measurement is used to measure space? | AU astronomical units |
| From what country was the first person in space? | Russia |
| what two planets are considered twins because of their size | Earth & Venus |
| What two planets do not have moons | Mercury & Venus |
| What kind of mission was sent to Mars? | space probe |
| What is the equation needed to find the circumference of something? | C = PI x diameter |
