Stars
Define A Star System
What Is A Group Of Two Or More Stars That Are Held Together By Gravity?
Define A Galaxy
What Is A Huge Group Of Individual Stars, Star Systems, Star Clusters, Dust, And Gas Bound Together By Gravity?
What Is Shorter, Blue Wavelengths or Red Wavelengths
What Is Blue?
Age Of The Universe
What Is 13.7 Billion Years Old?
The Two Stars Giovanni Baptista Riccioli Observed
What Are Mizar and Alcor?
Define A Binary Star
What Is A Star System Consisting Of Two Stars?
The 4 Ways Astronomers Classify Galaxies
What Are Spiral, Barred-Spiral, Elliptical, and Irregular?
What Color Initiates That A Star Or Galaxy Is Moving Towards, Red Or Blue?
What Is Blue?
The Force That Pulled Atoms Together Into Gas Clouds
What Is Gravity?
Name The Three Basic Kinds Of Star Clusters
What Is An Open Clusters, Associations And Globular Clusters
What Type of Galaxy Is The Milky Way?
What Is A Spiral Galaxy?
Define Hubble's Law
What Is The Speed Of At Which A Galaxy Is Moving Away Is Proportional To Its Distance From Us?
The Big Bang Theory States...
What Is "The Universe Began In An Instant, Billions Of Years Ago?