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THE EARTH IS

DOOMED


From Earth to the planet “ESO0939” that was recently discovered. It’s 22 light years away. That’s about 129 trillion miles. Using our current technology, in Earth years it will take us around 300,000 years to reach it.


The Earth is doomed,


and the only question is


how long humanity


has left.


Fortunately, we have options:


in the past few years


there’s been a flurry


of potentially habitable planets discovered.


In June,


German astronomers


found three


planets relatively near to us


that orbit


around a star


at a distance


that suggests they could have


liquid water


and therefore life.


To learn more


about our future


on other planets,


we talked to Daniel Berleant.


When I was young,


we hadn’t


detected any planets


outside the


solar system


that could be habitable,


and the thinking


was there probably


weren’t very many.


That’s part of this kind of


human-centric viewpoint that


we’ve had for a long time.


We used to think


that the sun


revolved


around the Earth


and then we discovered that


we revolved around the sun.


It’s good for us to think about


settling humanity


on other planets


because if something goes wrong


terribly wrong


on Earth,


we’ve hedged our bets.


If the sun exploded,


if there were


humans colonies


on distant planet,


we would survive.


The more extraterrestrial bodies we’re inhabiting,


the better.


Having said that,


of course it’s going to be


a lot easier to colonise, like,


the moon


or Mars.


Traveling outside the


solar


system gets to be


a little tricker.


The planets they’ve just discovered are


22 light years away,


it’s very far


about 129 trillion miles.


We don’t know how to build


ships yet


that would go


fast enough


to get people there


in a reasonable time.


One of the positive things


about really fast travel


as in travel near the speed of light


is that time


on the spaceships


would go slower.


So although it might take


22 or many more years


of Earth-time to get there,


on the spaceship,


it could take less.


The problem is,


it could be


really hard to


transport lots


and lots of people.


We could maybe


trasport a few people to start


a colony


but if we wanted to


reduce the


population problem


on Earth


by moving millions of


people to the exsisting planets


it would take


so long that it would be


of less intrest to people


here on


Earth.



THE EARTH IS DOOMED