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Venus is the second planet from the Sun. It is a terrestrial planet and is the closest in mass and size to its orbital neighbour Earth. Venus has by far the densest atmosphere of the terrestrial planets, composed mostly of carbon dioxide with a thick, global sulfuric acid cloud cover.
VERITAS (Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy) is an upcoming mission from NASA's Jet Propulsion Laboratory (JPL) to map the surface of the planet Venus in high resolution.
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.
NASA's Parker Solar Probe is set to make its final flyby of Venus on Wednesday, setting up the spacecraft to become the closest human-made object to the Sun on Christmas Eve this year.
The probe is expected to pass within an "unprecedented" 3.86 million miles of the solar surface on Dec. 24, according to NASA. NASA's Parker Solar Probe to pass Venus on record-breaking approach ...
The average temperature on Venus is 864 degrees, one day is the equivalent to 117 Earth days, and it has a “crushing carbon dioxide atmosphere 90 times as thick as Earth’s,” NASA says.
The planet's period of retrograde motion is 20 days on either side of the inferior conjunction. In fact, through a telescope Venus at greatest elongation appears less than half full due to Schröter's effect first noticed in 1793 and shown in 1996 as due to its thick atmosphere. Venus in daylight at 5 p.m. in the southern hemisphere ...
NASA Planet Quest; Illustration comparing the sizes of the planets with each other, the sun, and other stars; Q&A: The IAU's Proposed Planet Definition; Q&A New planets proposal; Solar system – About Space; Atlas of Mercury – NASA; Nine Planets Information; NASA's fact sheet; Planetary Science Research Discoveries