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