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joke aside as an intelligent intergalactic life form I would be very interested in whale, dolphins and co... they float too in giant vastness... and knowing how earth dominant species was evolving, I would have offer to those who wanted a new earth... safe from the bipeds... in a far away galaxy....

Yah they should have developed technology to protect them selfs from the bipeds!!

to become too dependent on technology? or maybe those who stayed floating on earth decided to keep their ways till the end knowing that others were safe, galaxies away...