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