the big bang
The Big Bang explains the beginning of ?
The universe
This is the closest star to Earth.
The sun
A group of stars that forms a picture in the sky is called this.
Constellations
These rocky objects mostly orbit between Mars and Jupiter.
Asteroids
The Big Bang happened about this many billion years ago
13.8 billion years ago
A huge ball of hot gas held together by gravity is called a what?
A star
This is the name of our galaxy.
The Milky Way
Icy space objects with glowing tails are called this.
comets
The leftover glow from the Big Bang is called this.
Cosmic microwave background
Stars create their energy through this process
Nuclear fusion
The constellation shaped like a a hunter
Orion
A rock that enters Earth’s atmosphere and burns up is called this.
A meteor
The universe is doing this, which proves the Big Bang theory.
Expanding
A massive star explodes at the end of its life in this event.
Supernova
The closest major galaxy’s to ours
The andromeda galaxy
A meteor that actually hits the ground is called this.
A Meteorit
Tiny early clumps of matter formed these huge structures.
Galaxies
The final stage of a very large star, with gravity so strong not even light escapes.
Black hole
A galaxy with arms that spin outwards from the center
A spiral galaxy
The cloud far from the Sun where comets are born is called what?
The Oort Cloud