Venus is the brightest planet in the Solar system. It is seen in the east in the morning and in the west in the evening. It rotates about its axis in opposite direction to that of other planets. Venus takes about 243 days to make one rotation.
Venus is situated at a distance of 107 million km from the Sun.
The atmosphere of Venus is different from that of the Earth. A Russian probe-Venus 4, made in 1967, found out that the density of its atmosphere is 15 times that of the Earth. 90% of its atmosphere is carbon dioxide but other gases like Nitrogen and Oxygen are almost nonexistent. Its surface temperature rises as high as 500oC. However, the layer of clouds is so thick that it is not possible to see its surface.
Soviet spacecraft Veneras soft landed on the surface and shows a barren landscape containing angular and rounded rocks.
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