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