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