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