Mercury and Venus
Mercury
Mercury is one planet that lies near the sun. the distance of Mercury to the sun is about 58 billion km, while its revolution period is 88 days and its rotational period is 59 days. On date of March 29th, 1974 the space craft of Mariner 10 success to make approach with Mercury until it reach the distance of 750 km and make a picture the surface of the planet that is full of craters and basins.
It is seen from the Earth, Mercury has shape change like the moon. This condition happens because the Mercury lies at the internal part of Earth’s path.
When the Mercury passes the surface of sun, the planet is seen like spot, small forest that hangs in the middle of shinning of sun’s surface. The condition will happen only for several hours.
Venus
Venus is known as east star or evening star. It is called that because the Venus rises several times before the sun rises around 4 o’clock in the morning and several times before the sun sets 5 o’clock in the evening.
The Natural Condition of Venus:
1. Its atmosphere has property of greenhouse that is heat received from the sun can not refract out from its atmosphere.
2. Its average temperature is 477 Celcius.
3. Its tophography is in form mountain with the formation of old and young.
4. The composition of its atmosphere consists of carbondioxide and a little amount of nitrogen also water vapor.
Mercury
Mercury is one planet that lies near the sun. the distance of Mercury to the sun is about 58 billion km, while its revolution period is 88 days and its rotational period is 59 days. On date of March 29th, 1974 the space craft of Mariner 10 success to make approach with Mercury until it reach the distance of 750 km and make a picture the surface of the planet that is full of craters and basins.
It is seen from the Earth, Mercury has shape change like the moon. This condition happens because the Mercury lies at the internal part of Earth’s path.
When the Mercury passes the surface of sun, the planet is seen like spot, small forest that hangs in the middle of shinning of sun’s surface. The condition will happen only for several hours.
Venus
The Natural Condition of Venus:
1. Its atmosphere has property of greenhouse that is heat received from the sun can not refract out from its atmosphere.
2. Its average temperature is 477 Celcius.
3. Its tophography is in form mountain with the formation of old and young.
4. The composition of its atmosphere consists of carbondioxide and a little amount of nitrogen also water vapor.
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