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English: Mariner 2 was the world's first successful interplanetary spacecraft. Launched August 27, 1962, on an Atlas-Agena rocket, Mariner 2 passed within about 34,000 kilometers (21,000 miles) of Venus, sending back valuable new information about interplanetary space and the Venusian atmosphere. Mariner 2 recorded the temperature at Venus for the first time, revealing the planet's very hot atmosphere of about 500 degrees Celsius (900 degrees Fahrenheit). The spacecraft's solar wind experiment measured for the first time the density, velocity, composition and variation over time of the solar wind.
Dyddiad circa 1960
date QS:P,+1960-00-00T00:00:00Z/9,P1480,Q5727902
Ffynhonnell https://photojournal.jpl.nasa.gov/catalog/PIA04594; originally at http://nix.larc.nasa.gov/info;jsessionid=22sidxj3uc1s0?id=PIA04594&orgid=10
Awdur NASA/Jet Propulsion Laboratory
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA04594.

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cyfredol09:00, 15 Mawrth 2015Bawdlun y fersiwn am 09:00, 15 Mawrth 20153,029 × 2,432 (2.53 MB)SteinsplitterBotBot: Image rotated by 270°
13:19, 16 Mawrth 2007Bawdlun y fersiwn am 13:19, 16 Mawrth 20072,437 × 3,029 (2.51 MB)Tigriss{{Information |Description= {{en|Mariner 2 was the world's first successful interplanetary spacecraft. Launched August 27, 1962, on an Atlas-Agena rocket, Mariner 2 passed within about 34,000 kilometers (21,000 miles) of Venus, sending back valuable new i
17:33, 25 Medi 2006Bawdlun y fersiwn am 17:33, 25 Medi 20061,218 × 1,119 (1.1 MB)Bricktop{{Information |Description=Mariner 2 was the world's first successful interplanetary spacecraft. Launched August 27, 1962, on an Atlas-Agena rocket, Mariner 2 passed within about 34,000 kilometers (21,000 miles) of Venus, sending back valuable new informa

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