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