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The surface of Venus is comparatively flat. When 93% of the topography was mapped by Pioneer Venus Orbiter, scientists found that the total distance from the lowest point to the highest point on the entire surface was about 13 kilometres (8.1 mi), about the same as the vertical distance between the Earth's ocean floor and the higher summits of the Himalayas.
A misguided scientist enables an alien from Venus named Zontar to come to earth in order to help solve man's problems. However, Zontar has other ideas, like disabling the power supply of the entire world and taking possession of important officials with mind control devices.
These observations indicate that a catastrophic resurfacing event took place on Venus around 500 Ma, and was followed by a dramatic decline in resurfacing rate. [5] The radar images from the Magellan missions revealed that the terrestrial style of plate tectonics is not active on Venus and the surface currently appears to be immobile. [6]
Original file (WebM audio/video file, VP9/Opus, length 2 min 36 s, 3,840 × 2,160 pixels, 5.28 Mbps overall, file size: 98.5 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
English: How Earth's tectonic plates and lands may have been positioned and moved in the past: an animated video of a full-plate tectonic model extended one billion years into the past. It is a result of the 2020 study "Extending full-plate tectonic models into deep time".
The United States Geological Survey defines sixty-two cartographic quadrangles for the surface of Venus, [54] with V-1 as the north pole region and V-62 as the south pole region. Base on the FMAPs, different groups of Venus researchers are mapping different quadrangles for the surface of Venus, resulting in different type of units defined.
On Venus, where there are no tectonic plates or seawater, volcanoes are mostly of the shield type. [citation needed] Nevertheless, the morphology of volcanoes on Venus is different: on Earth, shield volcanoes can be a few tens of kilometres wide and up to 10 km (6.2 mi) high in the case of Mauna Kea, measured from the sea floor. On Venus, these ...
Magellan_to_venus.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 3 min 53 s, 400 × 300 pixels, 613 kbps overall, file size: 17.05 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.