Space Science
What is cosmology?
This is the study of the origin and structure of the universe.
What is a galaxy?
A large group of stars, gas, and dust held together by gravity.
What is redshift?
When light from an object moving away stretches to longer wavelengths.
What are magnetic forces?
Forces between magnets or moving electric charges.
What is astrophysics?
This is the study of stars, planets, and space.
What are stars?
These are glowing balls of gas that give off light and heat.
What is blueshift?
When light from an object moving closer shifts to shorter wavelengths.
What is evolution?
This explains how things in the universe change over time.
What is gravity?
This force pulls objects toward each other.
What is matter?
This is the substance that makes up everything with mass.
What is radiation?
Energy that travels through space in waves, such as light.
What is cosmic?
This means related to the universe or outer space.
What is the Big Bang?
This theory says the universe began with a giant explosion.
What is plasma?
The hot, charged gas found in stars and lightning.
What is the Doppler effect?
This helps scientists know if galaxies are moving toward or away from us.