Friday, January 30, 2015

Astronomers have found the oldest known star

An international team of astronomers has discovered the oldest known star in the universe, and it was twice older than our solar system. The team includes astronomers from Europe, Australia and the United States.

The star was orbiting Five planets with the size of which can be compared with Mercury and Venus, but scientists say the star is too close to the sun to be able to live.
This artist's rendition provided by NASA shows the Kepler space telescope. (Picture from: http://bit.ly/1uDwr4x)
As published in the latest issue of the Astrophysical Journal, scientists reported that the solar system is likely derived from the early period of the universe ie 13.8 billion years ago. 

The astronomers believe that the new solar system discovered that began 11.2 billion years ago. For comparison, our solar system about 4.5 billion years old.

The discovery took place by using the NASA's search planetary spacecraft, Kepler for four years and the new star is in the constellation Lyre and called Kepler-444. According to scientists, the planets orbiting the star Kepler-444 in less than 10 days, at a distance of less than a tenth of the Earth to the sun. *** [EKA | FROM VARIOUS SOURCES | VOA NEWS]
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