Bulan
Bulan (simbol: ) ento awak astronomi ané mapiteh ngilehin Gumi.
Tusing ada satelit alami di Guminé ané lénan tekén Bulan. Bulan ento satelit paling gedé ané ka-5 di tata surya tur satelit paling gedé yén padaang tekén planét ané kailehin. Bulan ento masih satelit paling padet ané ka-2 di tata surya, sasubané Io, satelit Jupitér.
 Bulan purnama terlihat dari belahan utara Bumi | |||||||||||||
| Penamaan | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Adan alternatif | Wulan, Candra, Lunar | ||||||||||||
| Kruna sifat Basa Inggris | lunar, komariah | ||||||||||||
| Karakteristik orbit | |||||||||||||
| Perigee | 363295 km (0.0024 AU) | ||||||||||||
| Apogee | 405503 km (0.0027 AU) | ||||||||||||
Sumbu semi-mayor | 384399 km (0.00257 AU) | ||||||||||||
| Eksentrisitas | 0.0549 | ||||||||||||
Periode orbit | 27.321582 h (27 d 7 h 43,1 min) | ||||||||||||
Periode sinodis | 29.530589 h (29 d 12 h 44 min 2,9 s) | ||||||||||||
Kecepatan orbit rata-rata | 1.022 km/s | ||||||||||||
| Inklinasi | 5,145° ke ekliptika (antara 18,29° dan 28,58° ke khatulistiwa Bumi) | ||||||||||||
Bujur node menaik | Mundur satu revolusi dalam 18,6 tahun | ||||||||||||
Argumen perigee | Maju satu revolusi dalam 8,85 tahun | ||||||||||||
| Satelit dari | Bumi | ||||||||||||
| Karakteristik fisik | |||||||||||||
Radius rata-rata | 1737.10 km (0,273 Bumi) | ||||||||||||
Radius khatulistiwa | 1738.14 km (0,273 Bumi) | ||||||||||||
Radius kutub | 1735.97 km (0,273 Bumi) | ||||||||||||
| Kepepatan | 0.00125 | ||||||||||||
| Keliling | 10921 km (khatulistiwa) | ||||||||||||
Luas permukaan | 3.793×107 km2 (0,074 Bumi) | ||||||||||||
| Volume | 2.1958×1010 km3 (0,020 Bumi) | ||||||||||||
| Massa | 7.3477×1022 kg (0.012300 Bumi) | ||||||||||||
Massa jenis rata-rata | 3.3464 g/cm3 | ||||||||||||
Gravitasi permukaan | 1.622 m/s2 (0.1654 g) | ||||||||||||
Kecepatan lepas | 2.38 km/s | ||||||||||||
Periode rotasi sideris | 27.321582 h (sinkron) | ||||||||||||
Kecepatan rotasi ekuator | 4,627 m/s | ||||||||||||
Kemiringan sumbu | 1,5424° (ke ekliptika) 6,687° (ke bidang orbit) | ||||||||||||
| Albedo | 0,136 | ||||||||||||
| |||||||||||||
Magnitudo semu | −2,5 sampai −12,9 −12,74 (rata-rata bulan purnama) | ||||||||||||
Diameter sudut | 29,3 sampai 34,1 menit busur | ||||||||||||
| Atmosfer | |||||||||||||
Tekanan permukaan | 10−7 Pa (siang) 10−10 Pa (malam) | ||||||||||||
| Komposisi per volume | Ar, He, Na, K, H, Rn | ||||||||||||
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Bulan kawentuk 4,51 milyar tiban ané suba liwat, tusing makelo sasubané Guminé. Manut téori ané paling katerima dinané ené, Bulan kawentuk uli bok muah sisan tabrakan Gumi ajak planét lénan, sagedé Mars, ané maadan Theia.
Pustaka
Bibliografi
- Needham, Joseph (1986). Science and Civilization in China, Volume III: Mathematics and the Sciences of the Heavens and Earth. Taipei: Caves Books. ISBN 978-0-521-05801-8.
Bacaan liyanan
- The Moon. Discovery 2008. BBC World Service.
- Bussey, B. (2004). The Clementine Atlas of the Moon. Cambridge University Press. ISBN 0-521-81528-2.
- Cain, Fraser. "Where does the Moon Come From?". Universe Today. Kaaksés 1 April 2008. (podcast and transcript)
- Jolliff, B. (2006). "New views of the Moon". Rev. Mineral. Geochem. Chantilly, Virginia: Min. Soc. Amer. 60 (1): 721. doi:10.2138/rmg.2006.60.0. ISBN 0-939950-72-3. Kaaksés 12 April 2007.
- Jones, E.M. (2006). "Apollo Lunar Surface Journal". NASA. Kaarsipin saking versi asli tanggal 18 May 2015. Kaaksés 12 April 2007.
- "Exploring the Moon". Lunar and Planetary Institute. Kaaksés 12 April 2007.
- Mackenzie, Dana (2003). The Big Splat, or How Our Moon Came to Be. Hoboken, New Jersey: John Wiley & Sons, Inc. ISBN 0-471-15057-6.
- Moore, P. (2001). On the Moon. Tucson, Arizona: Sterling Publishing Co. ISBN 0-304-35469-4.
- "Moon Articles". Planetary Science Research Discoveries.
- Spudis, P. D. (1996). The Once and Future Moon. Smithsonian Institution Press. ISBN 1-56098-634-4.
- Taylor, S.R. (1992). Solar system evolution. Cambridge Univ. Press. p. 307. ISBN 0-521-37212-7.
- Teague, K. (2006). "The Project Apollo Archive". Kaaksés 12 April 2007.
- Wilhelms, D.E. (1987). "Geologic History of the Moon". U.S. Geological Survey Professional paper. 1348. Kaaksés 12 April 2007.
- Wilhelms, D.E. (1993). To a Rocky Moon: A Geologist's History of Lunar Exploration. Tucson, Arizona: University of Arizona Press. ISBN 0-8165-1065-2. Kaaksés 10 March 2009.
Pranala jaba
Wit kartografi
- "Consolidated Lunar Atlas". Lunar and Planetary Institute. Kaaksés 26 February 2012.
- Gazetteer of Planetary Nomenclature (USGS) List of feature names.
- "Clementine Lunar Image Browser". U.S. Navy. 15 October 2003. Kaarsipin saking versi asli tanggal 2007-04-07. Kaaksés 12 April 2007.
- 3D zoomable globes:
- "Google Moon". Google. 2007. Kaaksés 12 April 2007.
- "Moon". World Wind Central. NASA. 2007. Kaaksés 12 April 2007.
- Aeschliman, R. "Lunar Maps". Planetary Cartography and Graphics. Kaarsipin saking versi asli tanggal 2007-05-01. Kaaksés 12 April 2007. Maps and panoramas at Apollo landing sites
- Japan Aerospace Exploration Agency (JAXA) Archived 2012-03-05 at the Wayback Machine Kaguya (Selene) images
Perangkat observasi
- "NASA's SKYCAL—Sky Events Calendar". NASA Eclipse Home Page. Kaarsipin saking versi asli tanggal 2008-02-21. Kaaksés 27 August 2007.
- "Find moonrise, moonset and moonphase for a location". 2008. Kaaksés 18 February 2008.
- "HMNAO's Moon Watch". 2005. Kaarsipin saking versi asli tanggal 2009-02-04. Kaaksés 24 May 2009. See when the next new crescent moon is visible for any location.
Mal:Topik Bulan Mal:Bumi Mal:Tata Surya
Mal:Artikel pilihan
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