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