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