Asteroids, Comets, Meteoroids
The main solid part of a comet
Nucleus
The Orion Arm
What is the largest Gas Planet
Jupiter
What are the two Era's in the Big Bang
Radiation and Matter Era
How big is the Milky Way
100,000 light years
The region between the orbit of Mars and Jupiter
The main-asteroid belt
What type of galaxy is the Milky Way
Spiral Galaxy
What is the hottest planet
Venus
Which Epoch are we in currently
The Stellar Epoch
How many Earths can fit in the sun
1,300,000 Earths
Meteoroid when it reaches Earth's atmosphere
Meteor
Which galaxy has a circular or elongated shape
Elliptical Galaxy
What planet is called a "mini solar system"
Saturn
How old is the universe
13.8 billion years
Which galaxy will hit us in billions of years
Andromeda
Comets that originate from the Oort Cloud
Long-Period Comets
What are less massive galaxies that orbit around massive ones
Satellite Galaxies
What planet is called the "Morning and Evening star"
Venus
What is the first element created in the universe
Helium
What is the biggest star
UY Scuti
What is the largest asteroid
Vesta
What galaxy is Virgo A
Elliptical Galaxy
Which planet has the shortest year
Mercury
Which Epoch did stars begin to form in
The Galactic Epoch
How many people live on planet Earth
8.2 billion people