Mársì
Mársì jẹ́ ìsọ̀gbé Oòrùn kẹrin lati Oòrùn tí ó sì jẹ́ ìkejì ìsọgbé tí ó kéré jù lẹ́yìn Mercury nínú ètò ìdarísí oòrùn tí ó ṣàkójọpọ̀ oòrùn àti àwọn ohun tí ó ń yíi po. Wón sọọ́ lórúkọ Roman god of war, wọ́n ma ń sábà pèé ní "ìsọ̀gbé Oòrùn Pupa".[1][2] nítori àyè tí iron oxide gbà lóju rẹ̀ jẹ́ kó ní ìrísí pupa.
 Mars in 1980 as seen by the Viking 1 Orbiter |
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Ìfúnlọ́rúkọ
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| Ìpolongo |  i /ˈmɑrz/ |
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| Alápèjúwe | Martian | |||||||||
| Àsìkò J2000 | ||||||||||
| Aphelion | 249,209,300 km 1.665 861 AU |
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| Perihelion | 206,669,000 km 1.381 497 AU |
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| Semi-major axis | 227,939,100 km 1.523 679 AU |
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| Eccentricity | 0.093 315 | |||||||||
| Àsìkò ìgbàyípo | 686.971 days 1.8808 Julian years |
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| Synodic period | 779.96 days 2.135 Julian years |
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| Average orbital speed | 24.077 km/s | |||||||||
| Mean anomaly | 19.3564° | |||||||||
| Inclination | 1.850° to ecliptic 5.65° to Sun's equator 1.67° to invariable plane |
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| Longitude of ascending node | 49.562° | |||||||||
| Argument of perihelion | 286.537° | |||||||||
| Satellites | 2 | |||||||||
Àwọn ìhùwà àdánidá
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| Ìfẹ̀kiri alágedeméjì | 3,396.2 ± 0.1 km[a] 0.533 Earths |
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| Ìfẹ̀kiri olóòpó | 3,376.2 ± 0.1 km[a] 0.531 Earths |
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| Flattening | 0.005 89 ± 0.000 15 | |||||||||
| Ààlà ojúde | 144,798,500 km2 0.284 Earths |
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| Ìpọ̀sí | 1.6318 × 1011 km3 0.151 Earths |
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| Àkójọ | 6.4185 × 1023 kg 0.107 Earths |
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| Iyeìdáméjì ìṣùpọ̀ | 3.9335 ± 0.0004 g/cm³ | |||||||||
| Equatorial surface gravity | 3.711 m/s² 0.376 g |
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| Escape velocity | 5.027 km/s | |||||||||
| Sidereal rotation period |
1.025 957 day 24.622 9 h |
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| Equatorial rotation velocity | 868.22 km/h (241.17 m/s) | |||||||||
| Axial tilt | 25.19° | |||||||||
| North pole right ascension | 21 h 10 min 44 s 317.681 43° |
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| North pole declination | 52.886 50° | |||||||||
| Albedo | 0.170 (geometric) 0.25 (Bond) |
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| Ìgbónásí ojúde Kelvin Celsius |
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| Apparent magnitude | +1.6 to −3.0 | |||||||||
| Angular diameter | 3.5–25.1 | |||||||||
Afẹ́fẹ́àyíká
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| Ìfúnpá ojúde | 0.636 (0.4–0.87) kPa | |||||||||
| Ìkósínú | (mole fractions) 95.32% carbon dioxide |
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Àwọn ìtọ́kasí
àtúnṣe- ↑ Zubrin, Robert; Wagner, Richard (1997). The Case for Mars: The Plan to Settle the Red Planet and Why We Must. New York: Touchstone. ISBN 978-0-684-83550-1. OCLC 489144963.
- ↑ Rees, Martin J., ed (October 2012). Universe: The Definitive Visual Guide. New York: Dorling Kindersley. pp. 160–161. ISBN 978-0-7566-9841-6.
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