THERE IS LIFE AFTER DEAD?

More cultures say there is life after dead one example is in Christianity say you can go in sky only if you were good person and other place is in hell only if you were bad person .
Other persons think have got a reincarnation and this reincarnation is same you about personality but in diferent body ! there are more beliefs but who know is really or no ? You can not ever know only you comprovate after dead VV !