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