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