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