(Summer of JiaZi-October), December 12, 1984, U.S. astronomers observed the first planet outside our solar system.

1984 12 12, U.S. newspapers reported that U.S. astronomers observed may be the first planet outside our solar system. About four meters (history www.lssdjt.com)
an astronomer at the University of Arizona, this summer with an infrared sensor telescope observations of distant celestial radiation of heat to a size of the solar system, several observations largest planet Jupiter about the quality of it 30 to 80 times the hot gas planet. The planet around 24 A light year away from Earth faint stellar ����˹���޿� eighteen operation. According to reports, the newly discovered planet and the distance between eighteen ����˹���޿�, roughly equivalent to the distance between the Sun and Jupiter.
astronomers Fengyun newly discovered planetary surface temperature degrees Celsius, one thousand and ninety-three heat than any planet in our solar system, but too dark, too cold, so it can not be the star. They believe that there is no doubt that it is a planet, not a star.
Scientists estimate that, if it is indeed a planet, then this discovery is a major breakthrough in the long-term exploration of extrasolar planetary, and also for the possible existence of life beyond Earth provides the first direct evidence?