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