What's in our solar system? Here are some words that will help you remember the different components of our solar system.

outer space
The space that exists between the stars, planets, and Earth.

solar system
A solar system includes a sun (star) and all the planets/objects that orbit around it.

sunspot
A dark spot on the sun's surface.

galaxy
The galaxy is a huge collection of stars that are all gravitationally bound to each other. There are many galaxies in space.

universe
The universe is a term describing everything in existence. This means all the stars, planets, solar systems, and galaxies that we know and don't know to exist.

milky way
The milky way is the galaxy that our solar system belongs in.

Phases
A distinct period of time of something. The moon has phases where it looks different in each one.

full moon
The phase of the moon in which the whole disc is shining, lit up by the sun.

crescent moon
The phases of the moon in which only a part of the moon is lit by the sun, giving it the appearance of a "C" shape.

constellation
Constellations are make-believe patterns in the sky you see when you connect the stars.
Exercise
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