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