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