The sun was not born in a quiet place

2008/11/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

• Astronomia

The Sun is far from the centre of the Milky Way. This has allowed the development of life on Earth, as the solar system does not receive many cosmic radiations. However, according to a study by the Space Telescope scientific institute in Baltimore. The Sun was born closer to the center of the galaxy, in a place where life seems impossible and then moved outward. This evolution is reflected in the chemical composition of the Sun, with more iron than other stars of the same age.

The international astronomer team has studied the possibility of migration through a computer simulation. The calculation has been one hundred thousand hours in a supercomputer to simulate the distance between the birth of the Sun and its current state. The result coincides with the migration hypothesis. And if the hypothesis is good to explain the evolution of the Sun, it also serves other stars, which influences research on the formation of galaxies.