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