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