Taking as reference the Drake equation, which estimates a small number of civilizations, under very specific characteristics, it appears that at present there is insufficient data to solve this equation. However, the scientific community has accepted its relevance as a first theoretical approach to the problem, and several researchers have used as a tool to raise different scenarios, which will explore a specific in this assay, mixed with some science fiction.

1. Imagining other planets and solar systems
Jairo Marquez D. E.
Taking as reference the Drake equation [1], which estimates a small number of
civilizations, under very specific characteristics, it appears that at present there is
insufficient data to solve this equation. However, the scientific community has
accepted its relevance as a first theoretical approach to the problem, and several
researchers have used as a tool to raise different scenarios, which will explore a
specific in this assay, mixed with some science fiction.
Using NASA telescopes like Hubble,
Spitzer and Kepler [2] have discovered
exoplanets discovered panetas as
Kepler-186F; which has very similar
characteristics to Earth, Kepler-93b, or
[3] considered a "super-Earth".
We think that one day soon, by combining technologies of optical observation,
infrared, radio frequency and gravitational microlensing, converge in the discovery
of a solar system of six planets, where one of them has a size 1.7 times that of
Earth at a distance of 450 light years away in the constellation Cygnus.
This planet has two moons of 1/70 and 1/52 Earth's mass, with a rotation period of
430 days at a distance of 1.23 times that of Earth, around a binary system, where
one of the stars have the same characteristics our sun, both in mass and
brightness, while the other is a red dwarf.
Discovery, the area to record was performed by optical telescopes in two stages,
first, then to detect gas thick clouds, infrared spectral records and x-rays was used
with these various measurements are intended primarily ratify binary systems
detected in this area, and then continue with the identification of exoplanets. This
NESSI (The New Mexico Exoplanet Spectroscopic Survey Instrument), which
allowed to find information about the atmosphere and composition was used. This
particular instrument has been designed to explore atmospheres of exoplanets,
ranging from massive versions of Earth or super-Earth, a gas giants like Jupiter
hot. NESSI also allows studying the eclipses that are generated when entering
conjunction stars, from our perspective on Earth, using a technique called transit
spectroscopy, in which a planet passing in front of a star is observed. [4] In
addition, NESSI scans a range of wavelengths in the near infrared region, so it can

2. probe multiple signatures related to the chemical composition of the atmosphere of
a planet molecules.
Using telescopes of NASA and the Hubble, Spitzer and Kepler [2], which have
already discovered exoplanets, the possibility of discovering a planet like Kepler-
186F, which has characteristics very similar to Earth, and Kepler-93b [3]
considered a "super-Earth".
Binary system in which Terra-1 was found. Recovered http://cuentos-cuanticos.com/2012/11/22/como-
detectar-agujeros-negros-con-rayos-x/
With measurements in the following information was obtained: the severity of Terra
-1 is 13,071 m / s2, density of 6.4936 g / cm3, radius of 7200 km and atmospheric
pressure estimated at 950 581 mb. The planet lies within the habitable zone, which
suggests that allows the sustainability of life, combined with the presence of liquid
water and land. The surface consists of two super continents divided into several
tectonic plates showing normal geological activity. This planet has several lakes,
rivers and glaciers, which along with water oceans account for about 68% of the
surface.
The chemistry of life is very similar to Earth, with the mitigation that as the
measurements obtained by the NESSI with a new technology that allows
authenticating a greater number of molecular fingerprints. Atmospheric dynamics
and stable chemical composition composed of 46% nitrogen, 36% silicon, 14.5%
oxygen, 1.5% helium and carbon dioxide 1.3% of the total air that is supposed to
production due to the combustion of fuel fossils and plant respiration. Other noble

3. gases discovered are: Argon 0.015%, 0.0028% krypton, neon 0.0058%, 0.0087%
Xenon, Radon 0.0869%. Methane 0.005% and 0.00098% ozone is also detected
among others. Water vapor at a concentration of 5.3%.
Exoplanet Terra -1 with its two moons. Recovered image, http://www.mutantchronicles.es/sistemasolar.html
The temperature measured at different points of the planet does not exceed 45
degrees Celsius. The radiation received by the binary system, makes the
wavelengths vary receiving Terra -1, so that the processes of photosynthesis differ
to the land, and by extension, the animals have a different metabolism, coupled to
gravity. Life on this planet is developed and adapted to this environment, so we
can infer that the plants, microorganisms and organisms in general have an exotic
look. The hue of the plants is not completely green, there are plants that gray and
photo black better synthesize the wavelengths of the star it orbits. Axial rake angle
and Terra-1 is 32 degrees from the perpendicular to the orbital plane, producing
seasonal variations in the planetary surface.
The cellular composition of organisms in general is a combination of carbon and
silicon. The fauna in general has a lower inhabiting the land, including land, due to
gravity, pressure, radiation, and atmospheric composition and size. Birds are
characteristically small in its body, with wings large to improve the lift. The
vegetation is abundant where their stems and leaves are thin and short, so the
trees are two times more than terrestrial base, with a height not exceeding 10
meters. There is abundant wildlife with dark colors that are usually spread on the
floor.
References
[1] Ecuación de Drake, recuperado el 16 de noviembre de 2014, [On line]
http://es.wikipedia.org/wiki/Ecuaci%C3%B3n_de_Drake

4. [2] NASA's Kepler telescope discovers first Earth-size planet in 'habitable zone'
April 17, 2014, http://planetquest.jpl.nasa.gov/news/158
[3] The most precise measurement of an alien world's size, July 23, 2014,
http://planetquest.jpl.nasa.gov/news/165
[4] Whitney Clavin, NESSI - a new exoplanet finder in New Mexico April 17, 2014,
http://planetquest.jpl.nasa.gov/news/159