It's a mystery...

The next four questions have been a mystery for me for a long time. I asked my classmates and these were the answers I got.
I'd love to know...what's on the other side of a black hole? 
The answer I got to this question was that on the other side of a black hole is a similar world to ours, and that there are people who are total opposite of ourselves. For example, if someone is honest on our world, that person's opposite on the other side of a black hole will lie all the time. I was wondering if this is true, so I started to search for answers.
The first possibly true answer is...
An interesting article about black holes
Answers I found on Yahoo! Answer
The answer to this question I like the most is Potato salad. We'll never know the right answer to this question until we end up on the other side of it. 

I've always wondered...if there are ghosts and if there are, can they harm us?
There MAY be ghosts but they can't harm us, they just want to say goodbye. "( ... ) Albert Einstein suggested a scientific basis for the reality of ghosts; if energy cannot be created or destroyed but only change form, what happens to our body's energy when we die? " 
So, are there really ghosts ?  
Best ghost photos
An article I found on Discovery news
I'm a little sceptical about the existence of ghosts and until I see one, I won't believe in them.


Why do you think...the stars shine at night?
The stars shine at night because they are made out of gas. :D
They shine at night because...

























Does anybody know... if there's a parallel universe? 
There are. And the reason for this is because there are a lot of other galaxies.
The other answer I got was that Earth isn't the only place to live and that the parallel universe is may be like ours, or totally different. The inhabitants are more intelligent than us. :D

There might be...

I was shocked when I learned that there might be a parallel universe and that there's another me in it.

Do parallel universes really exist?
More about parallel universes