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Budhgrah

Wikipedia se
Mercury
Mercury in true color (by MESSENGER in 2008)
Designations
AdjectivesMercurian /mərˈkjʊəriən/,[1]
Mercurial /mərˈkjʊəriəl/[2]
Symbol☿
Orbital characteristics
Epoch J2000
Aphelion0.466697 AU (69.82 million km)
Perihelion0.307499 AU (46.00 million km)
0.387098 AU (57.91 million km)
Eccentricity0.205630[3]
115.88 d[3]
47.36 km/s[3]
174.796°
Inclination
48.331°
29.124°
SatellitesNone
Physical characteristics
Mean radius
  • 2,439.7±1.0 km
  • 0.3829 Earths
Flattening0.0009[3]
  • 7.48×107 km2
  • 0.147 Earths
Volume
  • 6.083×1010 km3
  • 0.056 Earths
Mass
  • 3.3011×1023 kg
  • 0.055 Earths
Mean density
5.427 g/cm3
3.7 m/s2 (0.38 g0)
0.346±0.014
4.25 km/s
176 d[4]
  • 58.646 d
  • 1407.5 h
Equatorial rotation velocity
3.026 m/s
2.04Template:Prime ± 0.08Template:Prime (to orbit)
(0.034°)[3]
North pole right ascension
North pole declination
61.41° [5]
Albedo
Temperature437 K (164 °C) (blackbody temperature)[6]
Surface temp. min mean max
0°N, 0°W [7] −173 °C 67 °C 427 °C
85°N, 0°W[7] −193 °C −73 °C 106.85 °C
−2.48 to +7.25
−0.4[8]
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

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Duusra websites

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References

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  1. "Mercurian". Lexico UK English Dictionary. Oxford University Press. Archived from the original on March 27, 2020.
  2. "Mercurial". Lexico UK English Dictionary UK English Dictionary. Oxford University Press. Archived from the original on December 22, 2019.
  3. 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.
  4. "ESO". ESO. Archived from the original on December 4, 2008. Retrieved June 3, 2021.
  5. 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.
  6. "Atmospheres and Planetary Temperatures". American Chemical Society. July 18, 2013. Archived from the original on January 27, 2023. Retrieved January 3, 2023.
  7. 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.
  8. "Encyclopedia - the brightest bodies". IMCCE. Archived from the original on July 24, 2023. Retrieved May 29, 2023.
  9. 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.
  10. Berezhnoy, Alexey A. (January 2018). "Chemistry of impact events on Mercury". Icarus 300: 210–222. doi:10.1016/j.icarus.2017.08.034.