>>There was a documentary at TV. He said "Milky Way and Andromeda will be merge and our Sun take earth in 4,5 billion years". My five years old daughter understood what means all off these things except what a long time is 4,5 billion years and beginned cry. I said her 4,5 billion years is very long but couldn't success... :)
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>You could tell her, on her next birthday it will still be 4.5 billion years away.
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>And when she is a teenager, and an old lady, it will still be 4.5 billion years away.
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>Or, you could wait until tomorrow, when she forgets all about it :)
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>She's not the only one boggled by large numbers: http://www.youtube.com/watch?v=cKKHSAE1gIs

After a half hour she stopped cry and one hour she was forget.. :)

cKKHSAE1gIs