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