In November last year, NASA launched the [Kepler" space telescope in order to looking for the earth-size planets in the Milky Way
. The telescope is currently carrying out its 3-year-and-half mission in order to looking for terrestrial planets. NASA has already been able to download relative datas. Many people think there are E.T. in the outer space. Britain's physicist Stephen Hawking said this week that there might be E.T. in the outer space. But he warned that they were evil in heart and there might be dangerous to get close to them. Some scientists think that other reason unlike global warming cause the Mars to turn warm. For example, the export of the sunshine rather than artificial greenhouse gasses causes the increase of the temperature.