Budhgrah
![]() Mercury in true color (by MESSENGER in 2008) | |||||||||||||
Designations | |||||||||||||
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Adjectives | Mercurian /mərˈkjʊəriən/,[1] Mercurial /mərˈkjʊəriəl/[2] | ||||||||||||
Symbol | ![]() | ||||||||||||
Orbital characteristics | |||||||||||||
Epoch J2000 | |||||||||||||
Aphelion | 0.466697 AU (69.82 million km) | ||||||||||||
Perihelion | 0.307499 AU (46.00 million km) | ||||||||||||
Semi-major axis | 0.387098 AU (57.91 million km) | ||||||||||||
Eccentricity | 0.205630[3] | ||||||||||||
Orbital period (sidereal) |
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Orbital period (synodic) | 115.88 d[3] | ||||||||||||
Average orbital speed | 47.36 km/s[3] | ||||||||||||
Mean anomaly | 174.796° | ||||||||||||
Inclination |
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Longitude of ascending node | 48.331° | ||||||||||||
Argument of perihelion | 29.124° | ||||||||||||
Satellites | None | ||||||||||||
Physical characteristics | |||||||||||||
Mean radius |
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Flattening | 0.0009[3] | ||||||||||||
Surface area |
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Volume |
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Mass |
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Mean density | 5.427 g/cm3 | ||||||||||||
Surface gravity | 3.7 m/s2 (0.38 g0) | ||||||||||||
Moment of inertia factor | 0.346±0.014 | ||||||||||||
Escape velocity | 4.25 km/s | ||||||||||||
Synodic rotation period | 176 d[4] | ||||||||||||
Sidereal rotation period |
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Equatorial rotation velocity | 3.026 m/s | ||||||||||||
Axial tilt | 2.04Template:Prime ± 0.08Template:Prime (to orbit) (0.034°)[3] | ||||||||||||
North pole right ascension | |||||||||||||
North pole declination | 61.41° [5] | ||||||||||||
Albedo |
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Temperature | 437 K (164 °C) (blackbody temperature)[6] | ||||||||||||
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Apparent magnitude | −2.48 to +7.25 | ||||||||||||
Absolute magnitude (H) | −0.4[8] | ||||||||||||
Angular diameter | 4.5–13Template:Pprime[3] | ||||||||||||
Atmosphere[3][9][10] | |||||||||||||
Surface pressure | trace (≲ 0.5 nPa) | ||||||||||||
Composition by volume | |||||||||||||
Budhgrah (pratiik: ; Mercury) uu planet hae jon ki Suraj ke sab se nachdik hae aur Saur mandal (Solar system) me sab se chhota hae. Ii planet jab dunia se dekha jaae hae tab ii bahut bright dekhae hae, lekin jaada kar ke ii suraj ke bahut nachdik rahe hae aur dekhae nai hae.
Other pages
- Planet ke suchi
Duusra websites
References
- ↑ "Mercurian". Lexico UK English Dictionary. Oxford University Press. Archived from the original on March 27, 2020.
- ↑ "Mercurial". Lexico UK English Dictionary UK English Dictionary. Oxford University Press. Archived from the original on December 22, 2019.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Williams, David R. (November 25, 2020). "Mercury Fact Sheet". NASA. Archived from the original on April 3, 2019. Retrieved April 19, 2021.
- ↑ "ESO". ESO. Archived from the original on December 4, 2008. Retrieved June 3, 2021.
- ↑ 5.0 5.1 Archinal, B. A.; Acton, C. H.; A'Hearn, M. F.; Conrad, A.; Consolmagno, G. J.; Duxbury, T.; Hestroffer, D.; Hilton, J. L. et al. (2018). "Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2015" (in en). Celestial Mechanics and Dynamical Astronomy 130 (3). doi:10.1007/s10569-017-9805-5. ISSN 0923-2958. http://link.springer.com/10.1007/s10569-017-9805-5.
- ↑ "Atmospheres and Planetary Temperatures". American Chemical Society. July 18, 2013. Archived from the original on January 27, 2023. Retrieved January 3, 2023.
- ↑ 7.0 7.1 Vasavada, Ashwin R.; Paige, David A.; Wood, Stephen E. (February 19, 1999). "Near-Surface Temperatures on Mercury and the Moon and the Stability of Polar Ice Deposits". Icarus 141 (2): 179–193. doi:10.1006/icar.1999.6175. ISSN 0019-1035. Figure 3 with the "TWO model"; Figure 5 for pole. http://www.gps.caltech.edu/classes/ge151/references/vasavada_et_al_1999.pdf. Retrieved February 18, 2012.
- ↑ "Encyclopedia - the brightest bodies". IMCCE. Archived from the original on July 24, 2023. Retrieved May 29, 2023.
- ↑ Milillo, A.; Wurz, P.; Orsini, S.; Delcourt, D.; Kallio, E.; Killen, R. M.; Lammer, H.; Massetti, S. et al. (April 2005). "Surface-Exosphere-Magnetosphere System Of Mercury". Space Science Reviews 117 (3–4): 397–443. doi:10.1007/s11214-005-3593-z.
- ↑ Berezhnoy, Alexey A. (January 2018). "Chemistry of impact events on Mercury". Icarus 300: 210–222. doi:10.1016/j.icarus.2017.08.034.
Saur mandal (Solar System)
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Suraj • Heliosphere |
Grah (Planets) ☾ = Chaand ∅ = rings |
Budhgrah (Mercury) | Sukhgrah (Venus) | Dunia (Earth) ☾ | Mangalgrah (Mars) ☾ | ||
Brahaspati (Jupiter) ☾ ∅ | Sanigrah (Saturn) ☾ ∅ | Arungrah (Uranus) ☾ ∅ | Varungrah (Neptune) ☾ ∅ | ||||
Bauna grah (Dwarf planet) |
Ceres | Pluto ☾ | Haumea ☾ | Makemake | |||
Eris ☾ | |||||||
Small Solar System bodies |
Chhota tara (Asteroid) (minor planets) |
Groups and families: Vulcanoids · Near-Earth asteroids · Asteroid belt Jupiter Trojans · Centaurs · Neptune Trojans · Asteroid moons · Meteoroids · Pallas · Juno · Vesta · Hygiea · | |||||
See also the list of asteroids. | |||||||
Trans-Neptunians | Kuiper belt – Plutinos: Orcus · Ixion – Cubewanos: Varuna · Quaoar · Huya | ||||||
Scattered disc: Sedna | |||||||
Jhaarru | Lists of periodic and non-periodic comets Damocloids · Hills cloud · Oort cloud | ||||||
See also the list of solar system objects |