Just 1 quick question...

[Amleto]

..., assuming we could travel at the speed of light to get to said planet

so we arrive at 200 million years old. great.

 

[Le_Petit_Lapin]

so we arrive at 200 million years old. great.

...and you get to look back and see what the earth was like at the time you left it. Fantastic!

 

[gillywibble]

So with a worm hole, would this be possible?

Do worm holes travel faster than light? Or do worm holes not exist?

Haha