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