Viking 2
 | |
| Status | Avslutad |
|---|---|
| Typ | Kretsare och landare |
| Organisation | NASA |
| Större entreprenör | Martin Marietta Corporation, JPL |
| NSSDC-ID | Kretsaren: 1975-083A[1] Landaren: 1975-083C[2] |
| Uppdragets varaktighet | Kretsaren: 1 050 dagar Landaren: 1 316 dagar |
| Sista kontakt | 12 april 1980 |
| Uppskjutning | |
| Uppskjutningsplats | Cape Canaveral Air Force Station LC-41 |
| Uppskjutning | 9 september 1975, 18:39 UTC[3] |
| Uppskjutningsfarkost | Titan IIIE/Centaur |
| Omloppsbana runt Mars (planet) | |
| Gick in i bana | 7 augusti 1976 |
| Banlutning | 80,5° |
| Apoapsis | 33 176 km |
| Periapsis | 302 km |
| Landning | |
| Landning | Utopia Planitia |
| Tidpunkt för landning | 3 september 1976, 22:37:50 UTC[3] |
| Egenskaper | |
| Massa | Kretsaren: 883 kg Landaren: 572 kg |
| Effekt | Kretsaren: 620 W Landaren: 70 W |
Viking 2 var en amerikansk rymdsond som utforskade planeten Mars. Rymdsonden bestod av en kretsare och en landare. Rymdsonden sköts upp den 9 september 1975 med en Titan IIIE-raket från Cape Canaveral Air Force Station. Kretsaren gick in i omloppsbana runt Mars den 7 augusti 1976. Landaren landade i Utopia Planitia på Mars den 3 september 1976.[3]
Kretsaren
Farkosten gick in i omloppsbana runt Mars den 7 augusti 1976. Den fungerade fram till den 25 juli 1978, då man valde att stänga av farkosten. Den hade då tagit nästan 16 000 bilder av planeten.[3]
Landaren
Landaren landade med hjälp av raketer och skyddades vid inträdet i Mars atmosfär av en värmesköld. Den drevs av en radioisotopgenerator och fungerade fram till den 12 april 1980.[3]
Referenser
- ^ ”NASA Space Science Data Coordinated Archive” (på engelska). NASA. https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1975-083A. Läst 19 maj 2021.
- ^ ”NASA Space Science Data Coordinated Archive” (på engelska). NASA. https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1975-083C. Läst 19 maj 2021.
- ^ [a b c d e] Dr. David R. Williams (12 april 2018). ”Viking Mission to Mars” (på engelska). NASA. https://nssdc.gsfc.nasa.gov/planetary/viking.html. Läst 19 maj 2021.
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Media som används på denna webbplats
Mars Hubble.jpg
NASA's Hubble Space Telescope took the picture of Mars on June 26, 2001, when Mars was approximately 68 million kilometers (43 million miles) from Earth — the closest Mars has ever been to Earth since 1988. Hubble can see details as small as 16 kilometers (10 miles) across. The colors have been carefully balanced to give a realistic view of Mars' hues as they might appear through a telescope. Especially striking is the large amount of seasonal dust storm activity seen in this image. One large storm system is churning high above the northern polar cap (top of image), and a smaller dust storm cloud can be seen nearby. Another large dust storm is spilling out of the giant Hellas impact basin in the Southern Hemisphere (lower right).
NASA's Hubble Space Telescope took the picture of Mars on June 26, 2001, when Mars was approximately 68 million kilometers (43 million miles) from Earth — the closest Mars has ever been to Earth since 1988. Hubble can see details as small as 16 kilometers (10 miles) across. The colors have been carefully balanced to give a realistic view of Mars' hues as they might appear through a telescope. Especially striking is the large amount of seasonal dust storm activity seen in this image. One large storm system is churning high above the northern polar cap (top of image), and a smaller dust storm cloud can be seen nearby. Another large dust storm is spilling out of the giant Hellas impact basin in the Southern Hemisphere (lower right).
Viking spacecraft.jpg
Viking 1 launched aboard a Titan IIIE rocket August 20, 1975 and arrived at Mars on June 19, 1976. The first month was spent in orbit around the martian planet and on July 20, 1976 Viking Lander 1 separated from the Orbiter and touched down at Chryse Planitia.
Viking 1 launched aboard a Titan IIIE rocket August 20, 1975 and arrived at Mars on June 19, 1976. The first month was spent in orbit around the martian planet and on July 20, 1976 Viking Lander 1 separated from the Orbiter and touched down at Chryse Planitia.