This is the closest planet to the Sun.
Mercury
This is the name of our star at the center of the solar system.
The Sun
This phase happens when the Moon is completely dark from Earth.
New Moon
This is how long Earth takes to spin once on its axis.
24 hours
This is Earthβs only natural satellite.
The Moon
This planet is known as the βRed Planet.β
Mars
This process powers the Sun by combining hydrogen into helium.
Nuclear Fusion
This phase shows half of the Moon illuminated.
First Quarter
This is the path a planet takes around the Sun.
Orbit
This planet has the most moons in the solar system.
Saturn
This planet is famous for its beautiful rings made of ice and rock.
Saturn
This is the visible surface of the Sun.
Photosphere
This phase comes after New Moon when a small sliver is visible.
Waxing Crescent
This causes the seasons on Earth.
Earthβs axial tilt
This planet rotates on its side.
Uranus
This is the largest planet in our solar system.
Jupiter
This outer layer of the Sun is seen during a solar eclipse.
Corona
This phase happens when the Moon is fully lit.
Full Moon
This is how long Earth takes to orbit the Sun.
365 days / a year
This planet is called the βMorning Starβ or βEvening Star.β
Venus
This is the only known planet that supports life.
Earth
These bursts of energy from the Sun can affect satellites and power grids.
Solar Flares
This describes the Moon shrinking in illumination.
Waning
This force keeps planets in orbit around the Sun.
Gravity
This dwarf planet was once considered the ninth planet.
Pluto