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Venus Facts And Information About The Planet Venus


Although Venus is Earth's closest placer, little is known in regards to the planet as a result of intense clouds entirely coat it. In 1962, Soviet and American spacecraft, coupled with Earth-based radar and infrared spectroscopy, started slowly unravelling the mystery behind the thick clouds. After 28 years, the Magellan spacecraft, sent by the United States, arrived at Venus in Aug 1990 and commenced a detailed radar-mapping of the planet's floor.
Venus - Radar Mapped Surface Images


The Atmosphere Of Venus Is Very Dense


According to the most recent findings, Venus's atmosphere exerts a strain on the floor 94.5 times larger than Earth's atmosphere. Roaming on Venus could be as severe as travelling a half-mile beneath the ocean. Because of a thick covering of carbon dioxide, a "greenhouse effect" occurs on Venus. Venus reflects twice the Sun's rays as does Earth. The rays enter freely through the carbon dioxide and further changed to heat radiation during molecular collisions. But carbon dioxide gas prevents the warmth from escaping. Consequently, the temperature of the floor of Venus rise over 800°F (427°C), sufficient to melt lead.
The atmospheric composition of Venus is about 96% carbon dioxide, 4% nitrogen, and minor quantities of water, oxygen, and sulfur compounds. There are no less than four distinct cloud and haze layers that exist at totally different heights above the planet's floor. The haze layers comprise small aerosol particles, presumably droplets of sulfuric acid. A concentration of sulfur dioxide above the cloud tops has been noticed to be reducing since 1978. The supply of sulfur dioxide at this altitude is unknown; it could be replenished by volcanic explosions or atmospheric overturning.
Measurements of the Venusian atmosphere and its cloud patterns reveal almost fixed high-speed zonal winds, about 220 mph (100 meters per second) on the equator. The winds reduce towards the poles so that the atmosphere at the top of the clouds rotates nearly like a solid body. The wind speeds on the equator correspond to Venus's rotation interval of 4 to 5 days at most latitudes. The circulation is all the time in the same route - east to west - as Venus's slow retrograde movement. Earth's winds blow from west to east, the identical direction as its rotation.
The brightest object is Venus


Venus is the brightest of all of the planets and is usually seen within the morning or night. Thus it is often known as the Morning Star or Evening Star. At its brightest, it may well generally be seen in full daylight with the bare eye, if one is aware of the place to look.
Rare transit of Venus occurred on June 8, 2004. This is when Venus crosses in front of the Sun and has been seen from Earth. Transits come in pairs of eight years aside (June 6, 2012, is the date of the second transit within the present pair). The next subsequent pair of transits will start on Dec. 11, 2117, and 8 Dec 2125.
The Surface Of Venus Is Full Of Volcanoes


Venus is spherical, totally different from the distinct planets and the Moon. Venus has neither polar flattening nor an equatorial bulge. The diameter of Venus is 7,519 miles (12,100 km). Venus has a retrograde axial rotation interval of 243.1 Earth days. The atmospheric pressure on is 1,396 psi (95 times the Earth atmospheres). The planet's average distance from the Sun is 67.2 million miles (108.2 million kilometres). The interval of its revolution across the Sun is 224.7 days.
The highest level on Venus is the summit of Maxwell Montes, 6.71 miles (11 km) above the ground, more than a mile higher than Mount Everest. There are a few proofs that this enormous mountain is a lively volcano. The lowest level is within the rift valley, Diana Chasma, 1.8 miles (3 km) beneath the ground. This level is about one-fifth the best depth on Earth, within the Marianas Trench.
Venus has an excessive lowland basin, Atalanta Planitia, which is in regards to the dimension of Earth's North Atlantic Ocean basin. The smooth floor of the Atalanta Planitia resembles the mare basins of the Moon.
There are solely two highland, or continental: Ishtar Terra and Aphrodite Terra. Ishtar Terra is 6.8 miles (11 km) at its highest level and those of Aphrodite Terra rise to about 3.10 mi (5 km) above the planet. Ishtar Terra is in regards to the dimension of the continental United States, and Aphrodite Terra has the size of Africa.
Revealing The Surface Behind The Dense Clouds


The uncrewed NASA spacecraft Magellan was launched on May 4, 1989, from the shuttle Atlantis and arrived at Venus on Aug. 10, 1990, to map the planet. Despite some issues with its radio transmissions, the outcomes of the radar mapping delighted scientists and supplied them with the sharpest pictures ever taken of the planet's floor. Images were taken from Magellan show ten times extra features than ever seen earlier than.
The radar pictures supplied scientists with compelling proof that the planet has been dominated by volcanism on a worldwide scale. The images additionally confirmed that the planet's second-highest mountain, Maat Mons, rising 5 miles (8 km) above the Venusian plains, seems to be coated with recent lava and is maybe an active volcano.
Maat Mons


Magellan found the most extended identified channel within the solar system on Venus. It is 4,200 miles (6,800 km) long and averages barely over a mile (2 km) broad. Its origin is stunning the scientists since high-temperature lava is unlikely to have travelled such a long-distance flow on the floor. There are not any identified substances that would stay liquid long enough beneath the planet's atmospheric pressure and temperature to have carved out this snake-like characteristic. The channel is barely longer than the Nile River, the longest river on Earth.
Magellan ended its radar and emissions mapping in Sept. 1992 after covering almost the whole planet. The spacecraft continued to compile data till Oct. 1994, when it was deliberately crashed into the planet's floor. The European Space Agency (ESA) launched the Venus Express in Nov. 2005 to review the ambience and subsurface.


The author has good knowledge and interest in astronomy. He is the writer at the site Galactic Facts where he gives information and facts about astronomical objects. Here are some more and detailed facts and information about planet Venus that you want to know.



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