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