There is a big fear in us human beings that one day we will not be able to live on our earth anymore!
And there are three possible reasons why:
- The sun will implode and we won’t be anymore.
- We have lost the moon.
- We destroyed our earth ourselves.
Number 1 might happen in about 7 billion years. So we still have some time before that happens.
The moon is actually moving 4 cm per year away from the earth. But before our earth loses the moon the sun is probably already imploded.
Option 3 is, as you might know, possible in the nearer future.
Space telescope Kepler
So, good to know that scientists sent a space telescope into space, called Kepler, named after Johannes Kepler, a scientist from the 17th century. The task of space Kepler is to find a planet that is similar to our earth. This is to see if there are aliens somewhere but also to see if there is an escape planet for us somewhere.
How will we get there?
This planet should have about the same size as our earth, should have about the same temperature, should contain water and other things we humans need. It has to be in a different solar-system with a sun-like star that is similar to our sun. The distance of this planet to the ‘other sun’ should be about the same as the distance of our earth to ‘our sun’.
And guess what? Kepler found a possible candidate for our escape. It is a possibly ‘ocean-like’ planet with a radius of only 1.11 times the earth’s radius, moving around a ‘sun-like’ star. All the other candidates they had found before had a wider radius.
And the scientists named the sun-like star ‘Kepler 186’ and the earth-like planet ‘Kepler 186f’!
Now the problem is that this planet is really far away from us. It is in a solar system around 500 light years away. And so far we don’t have the technology to go there.
So until we figure out how to get there, we better take care of our planet earth and save our precious resources. And once we will arrive at our new escape planet, we will be the ALIENS.
Note: Kepler has its own website! And even Kepler is having some technical problems, the mission will continue in new variations. http://kepler.nasa.gov/ Further read: http://science.nasa.gov/science-news/science-at-nasa/2014/17apr_firstearth/
Who is the Alien?
Cartoon picture credit: www.madmikesamerica.com