शुक्र

विकिपिडिया नं
थन झासँ: navigation, मालादिसँ
शुक्र The Venusian symbol, a circle with a small equal-armed cross beneath it
Venus in approximately true-color, a nearly uniform pale cream, although the image has been processed to bring out details.[१] The planet's disk is about three-quarters illuminated. Almost no variation or detail can be seen in the clouds.
Venus in true-color. The surface is obscured by a thick blanket of clouds.
Designations
Pronunciation /ˈvnəs/
Adjective Venusian or (rarely) Cytherean, Venerean
Orbital characteristics[४]
Epoch J2000
Aphelion
  • 108,939,000 km
  • 0.728 213 AU
Perihelion
  • 107,477,000 km
  • 0.718 440 AU
Semi-major axis
  • 108,208,000 km
  • 0.723 327 AU
Eccentricity 0.006 756
Orbital period
Synodic period 583.92 days[२]
Average orbital speed 35.02 km/s
Mean anomaly 50.115°
Inclination
Longitude of ascending node 76.678°
Argument of perihelion 55.186°
Satellites None
Physical characteristics
Mean radius
  • 6,051.8 ± 1.0 km[५]
  • 0.949 9 Earths
Flattening 0[५]
Surface area
  • 4.60×10 km2
  • 0.902 Earths
Volume
  • 9.28×10११ km3
  • 0.866 Earths
Mass
  • 4.868 5×10२४ kg
  • 0.815 Earths
Mean density 5.243 g/cm3
Equatorial surface gravity
Escape velocity 10.36 km/s
Sidereal rotation period −243.018 5 day (Retrograde)
Equatorial rotation velocity ६.५२ km/h (१.८१ m/s)
Axial tilt 177.3°[२]
North pole right ascension
  • 18 h 11 min 2 s
  • 272.76°[६]
North pole declination 67.16°
Albedo
Surface temp. min mean max
Kelvin 735 K[२][११][१२]
Celsius 462 °C
Apparent magnitude
Angular diameter 9.7"–66.0"[२]
Atmosphere
Surface pressure 92 bar (9.2 MPa)
Composition

शुक्र सौर्यमण्डलया छगू ग्रह ख। थ्व ग्रह बुध धुंका सूर्द्यया दकलय् नापंया ग्रह ख।

लिधंसा[सम्पादन]

  1. Lakdawalla, Emily (21 September 2009), Venus Looks More Boring than You Think It Does, Planetary Society Blog (retrieved 4 December 2011)
  2. Cite error: Invalid <ref> tag; no text was provided for refs named nssdc
  3. Cite error: Invalid <ref> tag; no text was provided for refs named meanplane
  4. Cite error: Invalid <ref> tag; no text was provided for refs named horizons
  5. Cite error: Invalid <ref> tag; no text was provided for refs named Seidelmann2007
  6. Cite error: Invalid <ref> tag; no text was provided for refs named iauwg_ccrsps2000
  7. Cite error: Invalid <ref> tag; no text was provided for refs named MallamaVenus
  8. Cite error: Invalid <ref> tag; no text was provided for refs named MallamaSky
  9. Cite error: Invalid <ref> tag; no text was provided for refs named JPL-Horizons
  10. Cite error: Invalid <ref> tag; no text was provided for refs named ephemeris
  11. Cite error: Invalid <ref> tag; no text was provided for refs named nasa_venus
  12. Cite error: Invalid <ref> tag; no text was provided for refs named compare

स्वयादिसँ[सम्पादन]