so i am very confused of this idea.
first question, how exactly is possible, that we look back into past when when see let's says the nearest star besides the sun?????
second question,, OK so let's say we look into past as we look farther away into space.
THAN When scientists look Alpha Centauri AND it's planets, they are actually looking as these stars and planets were in the past, WHICH means There Could be life on one of these planets RIGHT NOW. But we can't see, because we are looking into past!!!!!!!!!
Same goes for aliens.
let's say they are 20-30 light years, and they can see earth, but let's say there was no life back than on earth. SO Will these aliens ignore earth, because it doesn't have life???? but in reality there are humans on earth!!!!!!!!!
please care to explain in simple way!
first question, how exactly is possible, that we look back into past when when see let's says the nearest star besides the sun?????
second question,, OK so let's say we look into past as we look farther away into space.
THAN When scientists look Alpha Centauri AND it's planets, they are actually looking as these stars and planets were in the past, WHICH means There Could be life on one of these planets RIGHT NOW. But we can't see, because we are looking into past!!!!!!!!!
Same goes for aliens.
let's say they are 20-30 light years, and they can see earth, but let's say there was no life back than on earth. SO Will these aliens ignore earth, because it doesn't have life???? but in reality there are humans on earth!!!!!!!!!
please care to explain in simple way!