First four planets closest to the Sun that are made of rock are called the ___________ planets.
What are the inner planets?
For something turns on an axis
What is rotate?
A craft that travels into space with instruments, but not people.
What is a space probe?
These two things cause the change of seasons on Earth
What is the Earth's tilt on its axis and its revolving around the Sun
The reason stars always stay in the same position
What is "Stars do not orbit planets or the Sun.
The outer planets are called this because of what they are made of and how large they are.
What are the Gas Giants?
An imaginary line through the center of an object.
What is an axis?
This optical telescope travels around the Earth taking pictures?
What is the Hubble Space Telescope?
The length of time it takes a planet to make one revolution around the sun.
What is a year?
The reason some stars appear brighter than others.
What is their distance from the earth?
This planet gets just the right amount of heat and light to support life.
What is Earth?
The imaginary line that circles the Earth halfway between the North and South Poles.
What is the equator?
Large spacecraft that orbits the earth with astronauts living and working aboard.
What is the International Space Station?
One rotation of the Earth (or any other planet).
What is a day?
A group of starts that forms a pattern, such as an animal, person, or object
What is a constellation?
In between the inner planet and out planets
What is the asteroid belt?
This planet spins in the opposite direction of the other planets and is hottest planet because of its its extremely thick atmosphere of carbon dioxide.
What is Venus?
A tool used by scientist to make objects in space look larger.
What is a telescope?
This keeps all the planets in their orbit around the sun.
What is gravity?
The largest object in our solar system that life depends for heat and light.
What is the sun?
The dark figure cast upon a surface by a body intercepting the rays from a source of light
What is a shadow?
The Sun and all the other objects that orbit make up the
What is the solar system?
This natural sphere orbits the Earth every 27 days.
What is the moon?
A planet's year is dependent on this
What is its distance from the sun?
The moon does not make its own light by ________ the sun's light.
What is reflects?