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