What is spinning movement of Earth - 24 hrs or 1 day
100
This is useful because people actually find out for themselves about living and working in space. They can perform experiments, make repairs, and even get back satellites
What are crewed missions?
200
Small mass of ice and dust that orbits the sun
What is a comet?
200
A large object that moves around a star
What is a planet?
200
Jupiter, Saturn, Uranus, Neptune, "Pluto?"
What are the Outer Planets?
200
Movement of Earth around the sun - 365.25 days
What is revolution?
200
These are part of the solar system
What are comets, asteroids, and 9 planets?
300
Instrument used to see a distant object
What is a telescope?
300
Central star and the objects that move around it
What is the solar system?
300
The Asteroid Belt
What is found between Mars and Jupiter?
300
Changes in apparent shape of the moon
What are the phases of the moon?
300
These telescopes collect & focus invisible radio waves so weather does not affect them the way it would affect optical telescopes
What are radio telescopes?
400
Imaginary line that earth rotates around
What is its axis?
400
Space Probe
What is vehicle sent to explore space?
400
The moon's cycle of phases lasts...
What is 28 days?
400
Our 4 seasons are caused by the...
What is tilt of the Earth's axis?
400
Most planets don't have this
What is water?
500
Large spheres made mostly of gases
What are the gas giants?
500
Path an object takes when revolving around another object
What is orbiting?
500
Sun
What is the largest star and the source of most of the Earth's energy and our solar systems?
500
The ______________ ORBIT FASTER than the ______________ because they are closer to the sun