That depends on who set things up and maintained them.
Not the humans I would worry about it would be the planet would hate to see another planet destroyed the same way as we are managing to destroy this one<br />
What makes you so sure there is nothing on another planet that we as humans are the beginning and end all of the world.
Have you ever thought another planet could be using this earth as a jail for those that have offended.
When our time is done we die and ascend back to to planet we came from.
There could be planets out there with other life forms who knows
And no I am not a fan of SCI FI
But stating that none of us really know and what I am saying is not beyond the realms of possibility