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