What is the best prediction for what will happen when all of the hydrogen in the sun has undergone fusion?
helium nuclei will split to form hydrogen, and the sun will no longer release energy
helium nuclei will split to form hydrogen, and the sun will continue to release energy
helium nuclei will fuse to create heavier elements, but the sun will no longer release energy
helium nuclei will fuse to create heavier elements, and the sun will continue to release energy

answer: i don't know the answer good luck

explanation:

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

3. dark matter

empty space could also be a simple vacuum