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