A) photosphere B) chronosphere C) corona D) core
A) solar eclipse B) the aurora borealis C) flow of protons and electrons from sun D) lunar eclipse
A) nuclear fusion B) helium is formed C) all of the above D) 2 hydrogen atoms combine
A) the sunset B) solar winds C) the moon D) the northern lights
A) convection zone B) chronosphere C) corona D) photosphere
A) gamma rays B) radio waves C) microwaves D) x rays
A) gamma rays B) x rays C) microwaves D) radio waves
A) False B) True
A) the visible spectrum B) ultraviolet light C) we can see all of the electromagnetic spectrum D) infered light
A) 93 million miles B) 93 billion miles C) 1 light year D) 93 thousand miles |