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