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