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