Wednesday, June 1, 2011

The planet Earth is the most precious of the universe

On 5 June is World Environment Day (WED World Environment Day), established to commemorate the UN Conference on the Human Environment in Stockholm in 1972 which took shape during the United Nations Environment Programme (UNEP United Nations Environment Programme). While events take place in the world someone has calculated the "value" of our planet, have come to define the most valuable of the universe.

To say it is a study by Greg Laughlin, an astrophysicist at the University of Santa Cruz who, after creating a formula to calculate the value of the planets, has argued that the "price" of land would amount to 3.5 quadrillion (million billion) euro. The estimate was calculated using as the 'life' of the planet: the size, age, temperature, mass and the intensity of light emanating from its star.

Cheapest of the Earth would be Mars, "sold" only € 10,000, and Venus, which according to these parameters "cost" 12 cents. If you want you can move even farther, beyond the limits of the solar system. In fact in the universe there are about 1235 planets, many of whom have not received a high 'market value' because of their inhospitable climate for any kind of life.

Even the exoplanet Giles 581, considered the most Earth-like, the equation has been awarded the value of just 116 €. Highlights stressing, as he said in an interview reported anxiety astrophysicist, "how precious our planet" and what is needed "a lot of effort to protect it."

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