All of the celestial bodies in the Solar System move in predictable patterns known as orbits, and this motion is controlled by
What is gravity
This is the imaginary line through the middle of Earth or any sphere.
What is an axis?
The greater the mass of the objects...the ______ the force of ______
What is the greater the force of gravity
This is a rocky body with an irregular shape that is smaller than an asteroid and is known as a shooting star.
What is a meteoroid?
What is the space shuttle that Laika (space dog) orbited on
Sputnik 2
This is a natural body that revolves around the Earth.
Moon
Which country was involved in the space exploration in the 1960s
What is Soviet Union and U.S.
Another Name for the Outer Planets?
Gas Giants
What is the sun?
What are the outer planets?
What is Jupiter, Saturn, Uranus, and Neptune?
What force keeps the planets in orbit?
Gravity
Smaller the distance between the objects, the ________ the force of _________
What is the greater the force of gravity
Another name for the Inner Planets?
What is Terrestrial
This is the largest planet in the solar system.
What is Jupiter?
This is the planets' paths around the Sun - it is not quite a circle.
What is elliptical orbit?
These are large pieces of space rock with irregular shapes and is found between Mars and Jupiter.
What is an asteroid?
What planet has the shortest year?
What is Mercury
This equals one revolution around the Sun.
What is a year?