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