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