What could alien life forms physically be like?

what could will alien life forms be like?What could alien life forms physically be like?

Would an extra terrestrial life form be recognisable to humans? Non carbon life forms? Silicon based extraterrestrials?

Especially considering that nearly all our drawings, images of aliens have 2 eyes, when they could be anything?

Could ET's be non physical?

alien life forms non not physical etOther websites articles on possible alien life forms: