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