500 million planet in our galaxy

The data taken by a telescope Kepler from the U.S. space agency (NASA) to assess the presence of 50 billion planets in the Milky Way galaxy was Kepler discovered to date 1235 planets, 54 of which fall within the 'temperate zone' Goldilocks Zone, which suit the circumstances of life as it is on our planet earth . It is estimated astronomer Seth Shostak that there is at least 30,000 planet Welcome to life within the scope extends for 1000 light-years from Earth.

Scientists have identified that one of every two of the stars has a planet at least one of the planet and in 200 of the stars is likely to provide the conditions of the emergence of life as we know it. The scientists first census of the cosmic planets in our galaxy and came to astronomical figures: as there are at least 50 billion planets in the Milky Way galaxy of which at least 500 million in an area not very Bsakna and not very Bbardh can be found in life. And concluded that the numbers from the preliminary results of Tleksob Kepler, who put in order to hunt the other planets in the universe

Known throughout the region inhabited Habitable Zone, known as a shortcut to HZ in astronomy as the distance between the star and a planet similar to Earth so that it can retain its water on its surface, this area is the intersection of two slots offering the opportunity for a life is better located in the planetary system and the second in the galaxy, the planets and moons in those areas a candidate more than others to be inhabited and therefore able to withstand the external form of life similar to our lives. This concept does not include the disciples (satellites) because there is no sufficient evidence and theories predict that the satellite may be populated on the grounds of its proximity to the planet. And referred to the region usually populated with names like "the life" and "the moderation" and "Green Belt" and the Goldilux

Should not be confused with the concept of the populated area between the housing conditions of the planets. While dealing with all the planets in the habitable conditions required to maintain a life based on the element carbon, the only inhabited area on the handle provide excellent and the conditions required to maintain a life based on carbon.

Likely that life is more likely to arise within "the area populated peripheral" and close to the star and called the CHZ in the solar system. And also in the Hungarian inhabited area and called GHZ, which is part of the larger galaxy (although the search at that point is still in its infancy).

Must be populated region Hungarian GHZ close enough from the center of the galaxy in order to be able to heavy elements in the formation of any sufficient for the formation of rocks or planets needed to support the conditions of life. And also those heavy elements required because they are the basis of the complex molecules of life, on the other hand may not be the heavy elements necessary for all life forms, the heavy elements needed for a peek of complex life forms on Earth

 Known planet Goldilux that a planet is located within the region inhabited by the star and used the name of the planets that are close in size to the size of the planet, has brought the name of the girl's story Goldilux and bears three, where you choose the girl things from three groups of items that belong to the bears, ignoring things extreme in size (giant or a very small, hot or cold, etc. ..) and decided on its decision in the selection of the things the middle. Similarly, tracking the planets inhabited Goldilux principle of life is not so far from the star as it is not very close to it in order not to evaporate the water on the surface of the planet to keep any water on its surface and this is life as we understand we are human beings on the planet. However there are planets in the region inhabited does not host life (such as the giant gaseous planets) can also be called planets Goldilux but powerful example of the planet on the planet Goldilux

 - In 2007, found on a planet dubbed Gliese 581 d in 2009 found that it is located in the region populated in terms of distance from the star.

In 2010, discovered a planet called Gliese 581 g, more planet Goldilux Earth-like to this day, the planet orbits Gliese 581 g in orbit around the red dwarf star is Gliese 581 and away from Earth is 20.5 light years in the constellation Libra, the sixth planet was discovered in the outer solar system for Gliese 581, the fourth in the standings in the distance from the star, and announced the discovery of Lake - Carnegie Endowment for interplanetary survey in late September of 2010 after a decade in astronomy.

 Criticized both Ian Stewart and Jack Cohen in their book "the evolution of the creature" Evolving the Alien hypotheses populated areas for two reasons: the first is the assumption based on the life of creatures on other planets have the same requirements of the life of the creatures of earth, and the second is that, based on the first assumption, there are also circumstances other possible planets appropriate outside the boundaries of "inhabited area", for example, believed that for Europa (moon of Jupiter) the surface contains a circumference part has an environment similar to ocean-deep on the ground with the discovery of the existence of creatures called Xstrimovillat extremophiles (organisms are often Ahaah cell located in very harsh conditions such as hot springs and polar ice and in the circumstances of extreme heat and pressure) to find the forms of life on Europa is feasible, although it is located outside the boundaries of the region populated peripheral CHZ

 It is believed astronomer Carl Sagan also possible that life on the giant gaseous planets (Saturn, Jupiter, Uranus, Neptune) and, if the discovery is already a form of life in those environmental conditions, it is the most restrictive assumptions will be described as very conservative. It has proved that life has to evolve to overcome the harsh conditions.

The different levels of volcanic activity and the effects of lunar and planetary mass to the emission radiation may affect the levels of radiation and heat, which in turn, work to change the conditions of the planet to suit the emergence of life.