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