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