click below
click below
Normal Size Small Size show me how
Planets_stars
Question | Answer |
---|---|
How many planets are there? | Eight |
What is an orbit? | a path |
How long does a revolution around the sun take?(for earth) | 365 and 1/4 days |
Where is the Astroid Belt? | Between Mars and Jupiter |
What does the sun do for our solar system? | it's gravity holds the planets in their orbits |
Why are the inner planets different from the outter planets | the inner planets are small and rocky, but the outer planets are gasious giants. |
What does gasious mean? | full of gas |
How many stars are in our solar system? | one (the sun) |
The sun takes what percentage of the mass of our solar system? | 99% |
What is a crater? | a bowl shaped area that is on the surface of a planet or moon |
What does Earth's moon's surface have?? | no liquid water,no living things and more craters then Earth |
What's a moon? | Any smaller object that revolves around a planet |
Which planet is the biggest? | Jupiter |
Which planet would you weigh most on? | Earth |
Is orbit a noun or a verb? | noun |
What is the a galaxy made up of? | 200-500 billion stars,planets,gas,and dust |
What is the sun constantly doing? | It's hydrogen and heliaum are reacting |
Is our star the biggest star? | No,it is a mediam sized star |
How are stars diffrent? | In brightness,size,and color |
Who was Nicolaus Copernicus? | the first person to suggest we move around the sun |
What discovery did Galileo make? | he discovered 4 of Jupeter's moons |
Which planet(s) or moon(s)have humans walked on? | Earth and the moon |
What are the diffrent types of spacecrafts? | space shuttles, satellites, space stations,and rovers |
What are aerospace scientist? | scientist who design space crafts |
What is one AU? | the measureing distance between the earth and the sun |
How is magnitude measured? | brightness,distance from earth and, temperature |
A meteroid,a meteor,and a meteorite are very cloely related, name them in order from being in space to hitting the ground | meteroid,meteor,and meteorite |
What are stars made up of, and what does it mean? | Nebula, means cloud of of gas and dust |
How many moons do Venus and Mercury have? | zero |