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