The Moon
This natural satellite reflects sunlight, making it visible from Earth.
What is the Moon?
This process powers the Sun by combining hydrogen atoms.
What is nuclear fusion?
Pluto is one of these 5 small objects that are not classified as full planets.
What is a dwarf planet?
These changing shapes of the Moon are caused by the Sun’s angle as it orbits Earth.
What are the Moon phases?
This is the average distance from Earth to the Sun.
What is a light year
This event happens when the Moon appears extra large and bright in the sky.
What is a Supermoon?
These dark spots on the Sun are caused by strong magnetic activity.
What are sunspots?
This belt between Mars and Jupiter is home to most asteroids.
What is the asteroid belt?
This kind of eclipse happens when the Moon passes into Earth’s shadow.
What is a lunar eclipse?
This is how many Earths could fit inside the Sun’s volume.
What is 1.5 million?
This 1969 NASA mission landed humans on the Moon for the first time.
What is Apollo 11?
This outer layer of the Sun is visible during a total solar eclipse.
What is the corona?
This is the name for a space rock that survives entry and lands on Earth.
What is a meteorite?
These events, where the Moon blocks the Sun, occur every 2–5 years.
What is a solar eclipse?
In 2013, this exploded over Russia with the force of 500 kilotons of TNT.
What is a meteor?
Ti: This is the reason we always see the same side of the Moon from Earth.
What is phase-lock or tidal locking?
Ti: True or False: Solar flares from the Sun can damage satellites on Earth.
What is True?
Ti: This is how you would tell the difference between a meteor and a comet seen in the sky.
What is: A meteor is a quick streak of light, while a comet appears longer and has a glowing tail?
Ti: True or False: Regular Moon phases are caused by Earth’s shadow.
What is False?
Ti: This is how our solar system began forming from a cloud of gas and dust.
What is: Gravity pulled the dust into a center to form the Sun, and the leftover dust formed planets?