This layer is the visible surface of the sun.
The photosphere
This constellation contains the Big Dipper.
The Great Bear (Ursa Major)
This moon phase is completely invisible from Earth
New moon
This is the closest planet to the sun.
Mercury
Nitrogen
Ancient people sometimes worshipped this object as a god.
The sun
This star is known as the North Star.
Polaris
The plains on the moon are called these.
Marias (moon seas)
This planet is called the "red planet."
Mars
Heated air does this
expand
This dark feature on the sun is caused by magnetic fields.
Sunspots
Betelgeuse and Rigel are stars found in this constellation.
Orion
This occurs when the moon passes directly in front of the sun.
Solar eclipse
This planet has seven bands of rings made of ice and rock.
Saturn
This atmospheric layer is the only place weather occurs
The troposphere
This fiery layer surrounds the photosphere.
The chromosphere
Sirius is the brightest star in the sky and belongs to this constellation.
This happens when the moon travels through Earth's shadow
Lunar eclipse
This planet was first discovered in modern times and is tipped on its side.
Uranus
This layer protects Earth from ultraviolet rays.
The ozone layer
This outer layer of the sun is only visible during a total eclipse.
The corona
As the moon grows larger from new moon to full moon, it is said to do this.
Wax
This planet appears royal blue and has a moon named Triton.
Neptune
This colorful light display near the poles is caused by solar wind and Earth's magnetic field.
An aurora