Formation of the solar system

Front

Once a space rock strikes Earth's surface, it becomes known as a _________.

Back

meteorite

Front

What is the center of our Solar System?

Back

The Sun

Front

Which choice shows the correct order of the planets?

Back

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Front

This is a chunk of rock from space that has entered into Earth's atmosphere:

Back

meteor

Front

What was Galileo's most important invention?

Back

Telescope

Front

What is an asteroid?

Back

A small rocky body orbiting the Sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is a comet?

Back

A celestial object made of ice, dust, and rocky material that, when close to the Sun, displays a visible atmosphere or coma and sometimes a tail.

Front

Define the term 'planet'.

Back

A celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.

Front

What is the Kuiper Belt?

Back

A region of the Solar System beyond Neptune, populated with small icy bodies and dwarf planets.

Front

What is the Oort Cloud?

Back

A theoretical cloud of predominantly icy objects that is believed to exist in the outermost reaches of the Solar System.