If we send a mission to Planet HD 209458b, will Earth be livable when their 10thgen kids return?

Question

...or do we even have the technology now to conceive of such a lengthy mission...?
Signs of water seen on planet outside solar system
By Will Dunham
http://news.yahoo.com/s/nm/20070411/sc_nm/planet_water_dc

Answer 1

The planet in question is 881 trillion ,850 billion miles from earth . I don't know how fast we can travel in space at this time, but even traveling at 100,000 miles per hour,it would take 8 billion, 818million, 500 thousand years to arrive.

Answer 2

You'd be talking the 1,000,000 generation and just because someone finds a trace of water, it doesn't mean there's any good reason to go there. There's water on the moon and mars and we're not in a hurry. We have absolutely no technology to travel that far and won't for a long, long, long long time