The Sputnik 7 was the first Soviet attempt at a probing of Venus. The probe successfully launched into Earth's orbit on February the 4th of 1961. The Venera probe was suppose to be launched towards a landing on Venus after it orbited Earth one time but the ignition failed.
No, Venus does not have a hydrosphere. The extreme temperatures and atmospheric conditions on Venus make it unable to support liquid water on its surface.
In our solar system, Venus is closest to Earth's size - just slightly smaller at 95% of Earth's radius.
There is no conclusive evidence of plate tectonics on Venus. Although Venus does have tectonic features such as fractures and faults, they do not show the same pattern of movement and subduction observed on Earth. Additionally, Venus lacks evidence of large-scale crustal recycling associated with plate tectonics.
This question is meaningless. An Earth day would be the same length no matter what planet you are on. An Earth day would be the equivalent of 0.004 Venus days and about the same number of Venus year (it takes a whole year for Venus to go round its orbit). A Venus day is 243 Earth days. That's 243 Earth days to rotate once. Astronomers call this a sidereal day. However there is also the solar day of 117 Earth days.
No, thunderstorms and lightning are not known to occur on Venus. This is because Venus has a dense atmosphere made mostly of carbon dioxide, which does not support the same kind of convective processes that generate thunderstorms on Earth.
We Deliver - 2001 was released on: USA: 20 April 2001 (Sputnik7)
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Apollo 18 was cancelled in 1970.
Black Star
The titanic launched on April 2, 1912.
Indian Bank
All Shuttles were manned. STS-1.
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