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