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