Venus is an interesting mystery, "the transit of Venus," Sky.

<P> Is in addition to the sun and the moon, Venus, the brightest objects in the sky. .Ancient China called Bai, when the morning appeared in the East called the blind, Hyosung, star, when the evening in the West, also known as Venus, the evening star. .</ P> <P> According to astronomy experts, the close proximity of the sun, Venus, Earth received more than twice the sun, shrouded Venus thick overcast layer about 75% of the sunlight reflected into space, make it glorious .eye-catching. .</ P> <P> before in space exploration, people think, like Venus and Earth are a pair of twin sisters, their size, mass, density close to the surface of Venus hilly upland, lowland and mountain also like Earth continent. .Fanciful people even think that Venus will warm and humid, lush vegetation on Mars is more suitable for the reproduction of life. .</ P> <P> In fact, Venus and the Earth is very different in many ways. .Early 70s of last century, the former Soviet Union launched the "Venus 7" and "Venus 8" spacecraft, the probe surface temperature of Venus up to 475 degrees Celsius temperature year round so there is no hot temperature difference between day and night and seasons change, biological simply can not survive .. .In addition, compared with the Earth and Jupiter, Venus is almost no magnetic field. .Some astronomers analysis, this may be due to slow rotation of Venus's sake. .</ P> <P> atmospheric pressure surface of Venus is 90 times the Earth's surface, usually one to two or three meters deep snorkelling, they will feel uncomfortable, and the pressure surface of Venus is equivalent to 900 meters of the ocean depths. .</ P> <P> "transit of Venus" is also one of the more interesting astronomical phenomena. .As the planet Venus around the sun exactly at run-time between the sun and the earth, then the observer on Earth can be seen on the surface of a small black spot moving slowly. .When Venus and the Sun, the Earth in a straight line occurs when the transit of Venus. .8 June 2004 transit of Venus took place attracted a lot of public observation. .</ P> <P> to explore the mysteries of Venus, mankind has so far sent to Venus or Venus passing over the various scientific detector 40, received a great deal of scientific data about Venus. .(End) </ P> </ p>.