７１ Colonization of the Planet

７１　Colonization of the Planet【Space Travel】Dialogue with the Universe

７１－１　Alpha Centauri [1]

○Alpha Centauri (α Cen) is the closest star system to the Solar System at 4.37 ly. It consists of three stars

○About 25,000 years later, Alpha Centauri will be 3.26 ly away.

○Mass and Age

・A：1.1M（the mass of the Sun）、4.85 billion years

・B：0.907M、4.85 billion years

・C (Proxima)：0.123M、4.85 billion years

７１－２　Colonial in the solar system

○Google and the X Prize Foundation will hold the moon unmanned exploration race "Google Luna · X Prize (GLXP)"!

・Race participants compete to send high-definition images and videos to the earth until the end 2017.

http://www.bloomberg.co.jp/news/123-NQHPU66JTSEM01.html　(Japanese)

○Water on Mars

In August 2011. NASA announced, depending on the season at the surface of Mars, "water" may be flowing.

Source: NHK news WEB

http://www3.nhk.or.jp/news/html/20110805/t10014711681000.html

○A diamond planet was found！

　　　http://news.tbs.co.jp/newseye/tbs_newseye5154487.html

・This planet is only 40 light-years away.

・It takes 300,000 years for one way, 600,000 years for round trip  by the spacecraft.

・Hasten the development of the Hayabusa-Z！

【Referendes】

1.  Wikipedia：Alpha Centauri