This is the scientific study of space, celestial objects, and the universe.
Astronomy
This object is at the center of the Solar System.
The Sun
This is the layer of gases around Earth.
Atmosphere
This is the thickest layer of Earth.
Mantle
This is a system that claims to predict people’s futures using stars and planets.
Astrology
The Solar System includes the Sun, planets, moons, asteroids, comets, and other objects caught by this force.
Gravity
This zone is the distance from a star where liquid water can possibly exist.
Habitable zone
This Earth system includes all water on Earth.
Hydrosphere
Astrology is considered this because it is not based on strong scientific evidence.
Pseudo-science
These objects orbit planets.
Moons
Earth’s atmosphere helps keep Earth warm by trapping energy from this object.
The Sun
This Earth system includes living things.
Biosphere
Astronomers use evidence, observations, physics, and this subject to study space.
Mathematics
This type of object is similar to a planet but is not one of the eight official planets.
Dwarf planet
Earth’s magnetic field helps protect Earth from dangerous solar energy and is called this.
Magnetosphere
Mars is difficult for humans to live on because it does not currently have this. (name 2)
Oxygen, magnetosphere, water, etc.
Scientists have not found evidence that astrology can accurately predict this.
The future
This object produces its own light.
Star/Sun
Earth’s outer core helps create this protective field.
Magnetic field
Changing Mars to make it more like Earth and more habitable is called this.
Terraforming