The discovery of the first planet the size of Earth. And disappointment for NASA

one year after launch, the spacecraft to explore the outer planets ' Tess ' TESS of the US space agency NASA first extrasolar planet the size of Earth.

NASA

The planet is discovered by the spacecraft ' Tess ', which is known as ' HD 21749 c ' HD21749c, about 53 miles star light years from Earth, according to the website ' Engadget '.

According to space physics journal messages ' patrol ', published the results of discovery, scientists at NASA might be asking is Rocky, but pointed out that it is not valid for living and housing.

The results suggest that ' This ' able to accomplish its task of classifying thousands of candidate planets substitute for planet Earth, including more than 300 planets expected to be Earth-sized exoplanets or larger.

This planet, newly selected the smallest planet outside our solar system that monitored the spacecraft to explore the outer planets.

Spacecraft data show that the planet ' HD ' revolves around its star once every 8 days, which means he has managed narrow would result in surface temperature up to 426 degrees Celsius.

So far, the spacecraft has successfully ' Tess ' discover 10 planets smaller than Neptune?, according to Sky News.

It seems that the ability to detect the planet indicator is able to find smaller planets and small enough for its stars that contain liquid water, but far enough to not burn.