Simple.
Todo aquello que no he alcanzado;
lo que no gozo pero anhelo,
suponía demasiado empeño
por mi incapacidad
de obtenerlo al instante.


32 

V

Have you ever felt the feeling that your worst nightmare turned out real? It's one of the worse things, isn't it? It was my experience when I was looking into the six available world from my rank.

A rare poisonous creeping animal surprised me during a quiet moment and I fell into a deep hole losing my transmitter so I wasn't able to send my position to the ship to be rescued. My leg had got stuck under a huge rock; a very critical situation to escape from. Besides, it was getting dark.

Unfortunately, I was in a world with weather so changeable that it started pouring. Soon after, a heavy rain and strong winds filled the landscape which made me think so hard of a way to escape that I started losing my temper.
It's thought that explorers like me are always sentenced to death in such a situation.
Can you imagine it? The more water there was in the hole, the harder it became to get out. Everything was being covered by water quickly. It was maddening.

In spite of many attempts to release my leg, I didn't manage. Meanwhile, the water mixed with the dust covered my head. I thought I was about to die. Then a light shone through the water. I looked at where it came from. Surprisingly, it was from my ship. Its main brain had been looking for me because I'd been gone for a long time. I was rescued in the nick of time but better late than never.

II

Our galaxy is called Milky way. The masters have determined that may contain as many as 400 billion exoplanets, with almost every star hosting at least one planet. This is huge, isn't it? 

The Kepler space telescope also detected a few thousand candidate planets in late nineties, of which about 11% may be false positives.

There is at least one planet on average per star. Around 1 in 5 Sun-like stars have an "Earth-sized" planet in the habitable zone, with the nearest expected to be within 12 light-years distance from Earth. Assuming 200 billion stars in the Milky Way, that would be 11 billion potentially habitable Earth-sized planets in the Milky Way, rising to 40 billion if red dwarfs are included. The rogue planets in the Milky Way possibly number in the trillions.

The nearest known exoplanet, if confirmed, would be Alpha Centauri Bb, but there is some doubt about its existence. Almost all of the planets detected so far are within the Milky Way; however, there have been a small number of possible detections of extragalactic planets.

There are planets that are so near to their star that they take only a few hours to orbit and there are others so far away that they take thousands of years to orbit. Some are so far out that it is difficult to tell if they are gravitationally bound to the star.

I started studying the best option in my journey through the stars when I left solar system behind.

The discovery of exoplanets was always my mission but I understood immediately that I hadn't to find a new place for human beings. Instead I had to find the best suitable place to refound the life.