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