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