What is a full moon?
Space rocks must be smaller than this to be considered meteors.
What is 10 meters?
These are often called "star nurseries".
What are nebulae?
This is the largest planet in the solar system.
What is Jupiter?
This determines the day/night cycle of a planet.
What is rotation?
When the light is on the left of the moon, it is called this.
What is waning?
This area of the solar system is where you would expect to find asteroids.
What is the asteroid belt?
This type of star is usually at the center of a planetary nebula.
What is a red giant?
This planet is sometimes called Earth's twin or Earth's sister.
What is Venus?
This can also be called a planet's orbital period.
What is revolution?
When the Earth casts a shadow on the moon, this astronomical event happens.
What is a lunar eclipse?
This is otherwise referred to as a "dirty snowball".
What is a comet?
This is the process in stars where they take on element and combine it to form another element.
What is fusion?
These are the two ice giants of the solar system.
What are Uranus and Neptune?
This is the area of a star system where liquid water can be found and, therefore, life is possible.
What is the habitable zone or Goldilocks zone?
This is how many days it takes for the moon to go through a full cycle.
What is 29.5 days?
What is an asteroid or a comet?
These are the densest stars in the universe, some having the mass of the sun but the size of Earth.
What are white dwarfs?
This planet's gravitational pull is responsible for the solar system not having a ninth planet where the asteroid belt currently sits.
What is Jupiter?
This is the reason planets sometimes look like they're moving towards or away from Earth.
What is all planets orbit the sun?
We only see one side of the moon from Earth because of this quality of the moon.
What is tidally locked?
These are the two places comets can be found in the solar system.
What are the Oort Cloud and the Kuiper Belt?
Red giant undergo fusion of this element in order to build this second element.
What are helium and carbon?
This is the order of the planets in the solar system from smallest to largest.
What is Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter?
This is the main feature of Venus that makes it hotter than Mercury even though it's farther from the sun.
What is a dense atmosphere?