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बुध सौरमण्डलया छगु ग्रह ख। थ्व ग्रह सूर्द्यया दकले नापंया ग्रह ख। थ्व ग्रह सूर्द्य व शुक्र ग्रहया दथुइ ला। थीथी धर्म व संस्कृतिइ थ्व ग्रहयात थीथी कथं नालेगु याःगु दु। थ्व ग्रह नांगा मिखां हे खनेदु।

बुध
Composite image of Mercury taken by MESSENGER probe
Composite image of Mercury taken by MESSENGER
Designations
Pronunciation /ˈmɜrkjəri/
Adjective Mercurian, Mercurial[१]
Orbital characteristics[४]
Epoch J2000
Aphelion
  • 69,816,900 km
  • 0.466 697 AU
Perihelion
  • 46,001,200 km
  • 0.307 499 AU
Semi-major axis
  • 57,909,100 km
  • 0.387 098 AU
Eccentricity 0.205 630[२]
Orbital period
Synodic period 115.88 d[२]
Average orbital speed 47.87 km/s[२]
Mean anomaly 174.796°
Inclination
Longitude of ascending node 48.331°
Argument of perihelion 29.124°
Satellites None
Physical characteristics
Mean radius
Flattening 0[६]
Surface area
  • 7.48×10 km2[५]
  • 0.147 Earths
Volume
  • 6.083×10१० km3[५]
  • 0.056 Earths
Mass
  • 3.3022×10२३ kg[५]
  • 0.055 Earths
Mean density 5.427 g/cm3[५]
Equatorial surface gravity
Escape velocity 4.25 km/s[५]
Sidereal rotation period
Equatorial rotation velocity 10.892 km/h (3.026 m/s)
Axial tilt 2.11′ ± 0.1′[७]
North pole right ascension
  • 18 h 44 min 2 s
  • 281.01°[२]
North pole declination 61.45°[२]
Albedo
Surface temp. min mean max
0°N, 0°W [११] 100 K 340 K 700 K
85°N, 0°W[११] 80 K 200 K 380 K
Apparent magnitude −2.6[९] to 5.7[२][१०]
Angular diameter 4.5" – 13"[२]
Atmosphere[२]
Surface pressure trace
Composition

लिधंसाEdit

  1. Cite error: Invalid <ref> tag; no text was provided for refs named webster
  2. २.० २.१ २.२ २.३ २.४ २.५ २.६ २.७ Cite error: Invalid <ref> tag; no text was provided for refs named nssdcMercury
  3. Cite error: Invalid <ref> tag; no text was provided for refs named meanplane
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  5. ५.० ५.१ ५.२ ५.३ ५.४ ५.५ ५.६ ५.७ Cite error: Invalid <ref> tag; no text was provided for refs named nasa
  6. ६.० ६.१ Cite error: Invalid <ref> tag; no text was provided for refs named Seidelmann2007
  7. Cite error: Invalid <ref> tag; no text was provided for refs named Margot2007
  8. ८.० ८.१ Cite error: Invalid <ref> tag; no text was provided for refs named MallamaMercury
  9. Cite error: Invalid <ref> tag; no text was provided for refs named MallamaSky
  10. Cite error: Invalid <ref> tag; no text was provided for refs named ephemeris
  11. ११.० ११.१ (19 February 1999) "Near-Surface Temperatures on Mercury and the Moon and the Stability of Polar Ice Deposits". Icarus 141: 179–193. DOI:10.1006/icar.1999.6175. Figure 3 with the "TWO model"; Figure 5 for pole. 

स्वयादिसँEdit