Archivi:Vénus_par_Hubble.jpg
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![Archivi:Vénus par Hubble.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/V%C3%A9nus_par_Hubble.jpg/412px-V%C3%A9nus_par_Hubble.jpg)
Fail orginal (489 × 711 picsel, dimension : 22 KByte, sort MIME: image/jpeg)
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Somari
DescrizzionVénus par Hubble.jpg |
English: This is a NASA Hubble Space Telescope ultraviolet-light image of the planet Venus, taken on January 24 1995, when Venus was at a distance of 70.6 million miles (113.6 million kilometers) from Earth.
Venus is covered with clouds made of sulfuric acid, rather than the water-vapor clouds found on Earth. These clouds permanently shroud Venus' volcanic surface, which has been radar mapped by spacecraft and from Earth-based telescope. At ultraviolet wavelengths cloud patterns become distinctive. In particular, a horizontal "Y"-shaped cloud feature is visible near the equator. Similar features were seen from Mariner 10, Pioneer Venus, and Galileo spacecrafts. This global feature might indicate atmospheric waves, analogous to high and low pressure cells on Earth. Bright clouds toward Venus' poles appear to follow latitude lines. The polar regions are bright, possibly showing a haze of small particles overlying the main clouds. The dark regions show the location of enhanced sulfur dioxide near the cloud tops. From previous missions, astronomers know that such features travel east to west along with the Venus' prevailing winds, to make a complete circuit around the planet in four days. Because Venus is closer to the Sun than Earth, the planet appears to go through phases, like the Moon. When Venus swings close to Earth the planet's disk appears to grow in size, but changes from a full disk to a crescent. The image was taken with the Wide Field Planetary Camera-2, in PC mode. False color has been used enhance cloud features.Français : photo de la planète Vénus prise par le télescope spatial Hubble |
Data | |
Sorgent | http://hubblesite.org/gallery/album/solar_system/pr1995016g/web_print/ |
Autor | L. Esposito (University of Colorado, Boulder), and NASA |
Licenza
Public domainPublic domainfalsefalse |
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Sto file multimedial el xe 'ntel publico dominio parché el xe stà creà da la NASA. La polìtega del dirito d'autor de la NASA xe che «el material de la NASA no'l xe proteto dal dirito d'autor via de quando altrimenti spesificà». (Polìtega del dirito d'autor de la NASA e polìtega de l'uso de le imagini del JPL Image Use Policy) | ![]() |
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Ocio:
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Insegna
Element rapresentad in quell fail chì
representa
21 Mrz 1995
tipo de mèdia d'Internet veneto
image/jpeg
Cronologia de l'archivi
Schiscia in su un grup data/ora per vedè l'archivi com 'a l'è che l'era in quell moment là
Data/Ora | Miniadura | Grandezza | Utent | Coment | |
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corent | 07:34, 28 Mrz 2015 | ![]() | 489 × 711 (22 KByte) | Jcpag2012 | crop from original source file |
07:32, 28 Mrz 2015 | ![]() | 500 × 800 (23 KByte) | Jcpag2012 | higher resolution | |
22:46, 31 avo 2010 | ![]() | 500 × 800 (15 KByte) | Jupiter75 | {{Information |Description={{fr|1=photo de la planète Vénus prise par le télescope spatial Hubble}} |Source=http://hubblesite.org/gallery/album/solar_system/pr1995016g/web_print/ |Author=NASA, ESA |Date=2010/08/31 |Permission= |other_versions= }} |
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