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