Week 3-Space Quiz

The theory that the universe originated in a huge explosion that released all matter and energy is called the Big Bang.

What is the sun, planets, and all the other objects that orbit the Sun?

Mass is the measure of the gravitational pull exerted on an object.

A mixture of gases that surrounds a planet or moon is called:

The three main features of a planet are: mass, atmosphere and composition.

A light year is the average distance between Earth and the Sun (about 150 million kilometres)

Why do planets orbit the Sun?

The strength of the gravitational force between two objects depends on____.

This picture is showing you what idea-

The Earth is the center of the universe.

The outer solar system planets: Jupiter, Saturn, Uranus and Neptune, composed mostly of gas are called:

Satellites can be both natural and artificial.

Which planets are the terrestrial planets?

The planets are all different sizes (masses) and are different distances from the Sun, so each planet has:

Which planet was demoted to a dwarf planet as it was lacking the criteria to be a small planet in our solar system?

The path of an object as it revolves around another object in space (elliptical path) is called?

A device built to observe distant objects by making them appear closer.

The reason we have tides on Earth is because of the moon's gravitational force.