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