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