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