# Hóe-chheⁿ

Hóe-chheⁿ |  |
| Kúi-tō sèng-chit |
| Goân-kî J2000 |
| Aphelion | 249200000 km (154800000 mi; 1.666 AU) |
| Kīn-ji̍t-tiám | 206700000 km (128400000 mi; 1.382 AU) |
| Pòaⁿ-tn̂g chhia-sim | 227939200 km (141634900 mi; 1.523679 AU) |
| Lî-sim-lu̍t | 6998934000000000000♠0.0934 |
| Kúi-tō chiu-kî | 686.971 d (1.88082 yr; 7002668599100000000♠668.5991 sols) |
| Hōe-ha̍p chiu-kî | 779.96 d (2.1354 yr) |
| Pêng-kin kúi-tō sok-le̍k | 24.007 km/s (86430 km/h; 53700 mph) |
| Pêng-kin kīn-tiám-kak | 19.412° |
| Khi-pêng | * 6998322885911618951♠1.850° to ecliptic;
* 6998986111027376798♠5.65° the Sun's equator;
* 6998291469985083053♠1.67° to invariable plane
 |
| Seng-kau-tiám ê keng-tō͘ | 6999864950270703351♠49.558° |
| Time of periastron | 2020-Aug-03 |
| Hn̄g-tiám ê ín-sò͘ | 7000500040321354880♠286.502° |
| Ōe-chheⁿ | 2 |
| Bu̍t-lí sèn-chit |
| Pêng-kin poàn-kéng | 3389.5 ± 0.2 km (2106.1 ± 0.1 mi) |
| Chhiah-tō poàn-kéng | 3396.2 ± 0.1 km  (2110.3 ± 0.1 mi; 0.533 Earths) |
| Ke̍k-tē poàn-kéng | 3376.2 ± 0.1 km (2097.9 ± 0.1 mi; 0.531 Earths) |
| Píⁿ-pêⁿ-lu̍t | 6997589000000000000♠0.00589±0.00015 |
| Piáu-bīn-chek | 144798500 km2 (55907000 sq mi; 0.284 Earths) |
| Thé-chek | 7020163180000000000♠1.6318×1011 km3 (0.151 Earths) |
| Chit-liōng | 7023641710000000000♠6.4171×1023 kg (0.107 Earths) |
| Pêng-kin bi̍t-tō͘ | 3.9335 g/cm3 (0.1421 lb/cu in) |
| Piáu-bīn tiōng-le̍k | 3.72076 m/s2 (12.2072 ft/s2; 0.3794 *g*) |
| Koàn-sèng in-chú ê lêng-lu̍t | 6999366200000000000♠0.3662±0.0017 |
| Thoat-cháu so̍k-tō͘ | 5.027 km/s (18100 km/h; 11250 mph) |
| Hêng-chheⁿ chū-choán chiu-kî | 7004886426848000000♠1.025957 d 24h 37m 22.7s |
| Chhiah-tō chū-choán sok-tō͘ | 868.22 km/h (241.17 m/s; 868.22 km/h; 539.49 mph) |
| Chhia-sim khi-pêng | 6999439648438577372♠25.19° to its orbital plane |
| Pak-ke̍k chhiah-keng | 7000554458692594390♠317.68143° 21h 10m 44s |
| Pak-ke̍k chhiah-hūi | 6999923043554855983♠52.88650° |
| Hoán-siā-lu̍t | * 0.170 geometric
* 0.25 Bond
 |
|

| Piáu-bīn un-tō͘ | siōng-kē | pêng-kin | siōng-koân |
| --- | --- | --- | --- |
| Kelvin | 130 K | 210 K | 308 K |
| Celsius | −143 °C | −63 °C | 35 °C |
| Fahrenheit | −226 °F | −82 °F | 95 °F |

 |
| Bêng-hián-tō͘ | −2.94 to +1.86 |
| Kak-ti̍t-kèng | 3.5–25.1″ |
| Tāi-khì-khoan |
| Piáu-bīn ap-le̍k | 0.636 (0.4–0.87) kPa 0.00628 atm |
| Thé-chek cho͘-sêng | * 95.97% jī-sng-hòa thòaⁿ-sò͘
* 1.93% argon
* 1.89% chek-sò͘
* 0.146% sng-sò͘
* 0.0557% it-sng-hoà thoàⁿ-sò͘
* 0.0210% chúi-cheng-khì
* 0.0100% chek-sò͘ sng-hòa-bu̍t
* 0.00025% neon
* 0.00008% chúi-sò͘ kap tiōng-chúi-sò͘ ê sng-hòa-bu̍t
* 0.00003% krypton
* 0.00001% xenon
 |
|  |

**Hóe-chheⁿ** (火星, Eng-gí: Mars), mā tha̍k chò Hé-chhiⁿ, Hér-chhiⁿ, sī lán Thài-iông-hē tē 4 oá Ji̍t-thaû ê he̍k-chheⁿ. I khoàⁿ--khí-lâi âng-âng, choâⁿ-á mā hông kiò-chò **Âng He̍k-chheⁿ** (*The Red Planet*). Hoé-chheⁿ ū 2 lia̍p oē-chheⁿ, Phobos kap Deimos, lóng sè-sè lia̍p, hêng koh ku-koài, pún-té eng-tong sī sió-he̍k-chheⁿ.

## Goā-pō͘ liân-kiat

* NASA's Mars fact sheet Archived 2010-06-12 at the Wayback Machine.
* Nine Planets Mars page
* MarsNews.com - News and info site
* Introduction to Martian topography, with Hubble Space Telescope photos Archived 2004-01-18 at the Wayback Machine.
* FU Berlin: HRSC (camera) experiment at Mars Express (eng. & ger.; press releases and high resolution images)
* Technical Notes about Time on Mars
* On Mars: Exploration of the Red Planet 1958-1978 from the NASA History Office.
* The Mars Society flag
* A Trip Into Space Photos and descriptions of Mars
* Martian Law - a CATO white paper
* Mars Unearthed - Comparisons of terrains between Earth and Mars
* 3D VRML Mars globe

### Hoé-chheⁿ ê chúi

* Highly visible ice lake found on Mars - BBC
* Dr. Tony Phillips: "Making a Splash on Mars" Archived 2010-03-26 at the Wayback Machine., *Science@NASA* article, June 29, 2000. Phillips describes the Martian "gullies" and explains the conditions under which liquid water can exist on the surface of Mars.
* BBC News story on subsurface ice deposits on Mars
* BBC News update on Mars Express' findings of polar water ice and water-eroded features on the surface
* Mars Rover Scientists Wring Water Story from Rocks Archived 2004-10-31 at the Wayback Machine. This image taken by Mars Rover *Opportunity* shows microscopic rock forms indicating past signs of water. Courtesy: NASA
* BBC News Mars pictures reveal frozen sea

### Hoé-chheⁿ thàm-hiám

* The Political Economy of Very Large Space Projects (Journal Of Evolution and Technology)
* exploreMarsnow Interactive Mars base simulation. Winner of 2003 Webby Award for Science.
* NASA Mars Exploration Rover Home Page
* Be on Mars Archived 2022-11-02 at the Wayback Machine. Anaglyphs from the Mars Rovers (3D)

### Chham-khó chu-liāu

* William Sheehan, *The Planet Mars: A History of Observation and Discovery* Archived 2009-06-01 at the Wayback Machine., The University of Arizona Press, Tucson, 1996
* Vladimir A. Krasnopolsky, Jean-Pierre Maillard, Tobias C. Owen, "Detection of Methane in the Martian Atmosphere: Evidence for Life Archived 2005-12-25 at the Wayback Machine."

| Thài-iông-hē |
| --- |
|  |
| **Chheⁿ:** Ji̍t-thâu |
| **He̍k-chheⁿ:** Chúi-chheⁿ | Kim-chheⁿ | Tē-kiû | Hóe-chheⁿ | Bo̍k-chheⁿ | Thó͘-chheⁿ | Thian-ông-chheⁿ | Hái-ông-chheⁿ |
| **É-he̍k-chheⁿ:** Ceres | Mê-ông-chheⁿ | Haumea | Makemake | Eris |
| **Sió-bu̍t-thé:** Sió-he̍k-chheⁿ | Hái-ông-chheⁿ goā chheⁿ-thé | Tn̂g-boé-chheⁿ |
| **Oē-chheⁿ:** Goe̍h-niû | Hoé-chheⁿ ê | Bo̍k-chheⁿ ê | Thó͘-chheⁿ ê | Thian-ông-chheⁿ ê | Hái-ông-chheⁿ ê |
| **Tīn:** Sió-he̍k-chheⁿ-toà | Kuiper-toà | Sàn-loān îⁿ-poâⁿ | Oort-hûn |
| Chhiáⁿ chham-khó thian-bûn bu̍t-thé, thài-iông-hē ê chheⁿ-thé lia̍t-toaⁿ, chiàu poàⁿ-kèng pâi iah sī chiàu chit-liōng pâi |