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