A) corona B) core C) chronosphere D) photosphere
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) 2 hydrogen atoms combine D) nuclear fusion
A) the northern lights B) solar winds C) the sunset D) the moon
A) photosphere B) convection zone C) chronosphere D) corona
A) radio waves B) gamma rays C) microwaves D) x rays
A) gamma rays B) x rays C) radio waves D) microwaves
A) False B) True
A) the visible spectrum B) we can see all of the electromagnetic spectrum C) ultraviolet light D) infered light
A) 93 thousand miles B) 93 billion miles C) 93 million miles D) 1 light year |