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नया पन्ना

{{Infobox planet
| background = #D6D6D6
| name = सीरीस
| symbol = [[File:Ceres symbol (bold).svg|20px|⚳]]
| image = Ceres - RC3 - Haulani Crater (22381131691) (cropped).jpg
| caption = [[डॉन अंतरिक्षयान]] के लीहल चित्र<ref group="lower-alpha">This image was taken by the ''Dawn'' spacecraft on 2 May 2015, during a "rotation characterization" orbit, {{convert|13,642|km|mi}} above the surface of Ceres. Visible at center and center right are two [[Bright spots on Ceres|bright spots]], a phenomenon common on Ceres, in Oxo and [[Haulani (crater)|Haulani]] craters respectively. [[Ahuna Mons]] is also visible in the image as a noticeable, bluff hill, seen just right of bottom.</ref>
| discovery = हँ
| discovery_ref =<ref>{{cite book |last=Schmadel |first=Lutz |authorlink=Lutz D. Schmadel |title=Dictionary of minor planet names |url=https://books.google.com/?id=KWrB1jPCa8AC&pg=PA15 |edition=5th |year=2003 |publisher=Springer |location=Germany |isbn=978-3-540-00238-3 |page=15 }}</ref>
| discoverer = [[ज्युसेप्पी पियाज्जी]]
| discovered = 1 जनवरी 1801
| designations = yes
| mpc_name = सीरीस
| pronounced = {{IPAc-en|ˈ|s|ɪər|iː|z}}
| named_after = [[Ceres (mythology)|Cerēs]]
| alt_names = A899 OF; 1943 XB
| adjectives = Cererian {{IPAc-en|s|ᵻ|ˈ|r|ɪər|i|ə|n}}, rarely Cererean {{IPAc-en|s|ɛr|ᵻ|ˈ|r|iː|ə|n}}<ref name="Simpson1979">{{cite book |last=सिमपसन |first=D. P. |title=Cassell's Latin Dictionary |publisher=Cassell Ltd |year=1979 |edition=5th |location=London |isbn=978-0-304-52257-6 |page=883 }}</ref>
| mp_category = [[बौना ग्रह]] [[एस्टेरॉइड बेल्ट]]
| orbit_ref =<ref name="jpl_sbdb">{{cite web|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=Ceres |title=1 Ceres |publisher=JPL Small-Body Database Browser |accessdate=8 January 2015 |archiveurl=https://www.webcitation.org/69fuVB1N8?url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=Ceres |archivedate=4 अगस्त 2012 |url-status=live |df= }}</ref>
| epoch = 2014-Dec-09 ([[Julian day|JD]] {{nowrap|{{val|fmt=commas|2457000.5}}}})
| aphelion = {{val|2.9773|ul=AU}} ({{nowrap|{{val|fmt=commas|445410000|u=km}}}})
| perihelion = {{val|2.5577|u=AU}} ({{nowrap|{{val|fmt=commas|382620000|u=km}}}})
| semimajor = {{val|2.7675|u=AU}} ({{nowrap|{{val|fmt=commas|414010000|u=km}}}})
| eccentricity = {{val|0.075823}}
| period = 4.60 [[julian year (astronomy)|yr]] 1,681.63 d
| synodic_period = 466.6 [[Julian day|d]] 1.278 [[julian year (astronomy)|yr]]
| inclination = {{val|10.593|u=°}} to [[ecliptic]] 9.20° to [[invariable plane]]<ref name="meanplane">{{cite web|date=3 April 2009 |title=The MeanPlane (Invariable plane) of the Solar System passing through the barycenter |url=http://home.surewest.net/kheider/astro/MeanPlane.gif |accessdate=10 April 2009 |archiveurl=https://www.webcitation.org/5glwILykY?url=http://home.comcast.net/~kpheider/MeanPlane.gif |archivedate=14 May 2009 |url-status=dead |df=dmy }} (produced with [http://chemistry.unina.it/~alvitagl/solex/ Solex 10] {{webarchive|url=https://www.webcitation.org/5gOzK38bc?url=http://chemistry.unina.it/~alvitagl/solex/ |date=29 April 2009 }} written by Aldo Vitagliano; see also [[Invariable plane]])</ref>
| arg_peri = {{val|72.5220|u=°}}
| asc_node = {{val|80.3293|u=°}}
| mean_anomaly = {{val|95.9891|u=°}}
| avg_speed = {{val|17.905|u=km/s}}
| p_orbit_ref =<ref name="Ceres-POE">{{cite web|title=AstDyS-2 Ceres Synthetic Proper Orbital Elements |publisher=Department of Mathematics, University of Pisa, Italy |url=http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.6&n=1 |accessdate=1 अक्टूबर 2011 |archiveurl=https://www.webcitation.org/62D4xP3TU?url=http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.6&n=1 |archivedate=5 अक्टूबर 2011 |url-status=live |df= }}</ref>
| p_semimajor = {{val|2.7670962}}
| p_eccentricity = {{val|0.1161977}}
| p_inclination = {{val|9.6474122|u=°}}
| p_mean_motion = 78.193318
| perihelion_rate = {{val|54.070272}}
| node_rate = {{val|-59.170034}}
| satellites =
| allsatellites=yes
| physical_characteristics = yes
| dimensions = {{nowrap|({{val|965.2}} {{val|961.2}} × {{val|891.2}}) ± 2.0 km<ref name=presentation>{{cite web |url=http://nesf2015.arc.nasa.gov/sites/default/files/downloads/pdf/05.pdf |title=05. Dawn Explores Ceres Results from the Survey Orbit |publisher= |url-status=dead |archiveurl=https://web.archive.org/web/20150905125337/http://nesf2015.arc.nasa.gov/sites/default/files/downloads/pdf/05.pdf |archivedate=5 September 2015 |df=dmy-all }}</ref>}}
| mean_radius = {{val|473|u=km}}<ref name=presentation/>
| surface_area = {{nowrap|{{val|fmt=commas|2770000|u=km2}}}}<ref name="fact2">Calculated based on the known parameters</ref>
| volume = {{nowrap|{{val|fmt=commas|421000000|u=km3}}}}<ref name="fact2" />
| mass={{val|9.393|e=20|u=kg|0.005}}<ref name=presentation/> 
{{val|0.00015|u=[[Earth mass|Earths]]}} 0.0128 [[Moon]]s
| density={{val|2.161|0.009|u=g/cm3}}<ref name=Lakdawalla1112/>
| surface_grav = {{Gr|.939|469|2}} [[Acceleration|m/s2]]<ref name="fact2"/> 0.029 [[g-force|''g'']]
| moment_of_inertia_factor = {{val|0.37|}}<ref name="Park2016" />{{refn |The value of 0.37 is the mean moment of inertia, which is thought to better represent Ceres' interior structure than the polar moment of inertia (0.39), due to the high polar flattening.<ref name="Park2016" />| group = lower-alpha }} (estimate)
| escape_velocity={{V2|0.943|476.2|2}} km/s<ref name="fact2" />
| sidereal_day = {{val|0.3781|u=d}} {{val|9.074170|0.000002|u=h}}<ref name="Chamberlain2007">{{cite journal |last1=Chamberlain |first1=Matthew A. |author2=Sykes, Mark V.; Esquerdo, Gilbert A. |year=2007 |title=Ceres lightcurve analysis – Period determination |journal=Icarus |volume=188 |issue=2 |pages=451–456 |doi=10.1016/j.icarus.2006.11.025 |bibcode=2007Icar..188..451C }}</ref>
| rot_velocity= {{val|92.61|u=m/s}}<ref name="fact2"/>
| right_asc_north_pole = 291.42744°<ref name="Icarus2017">{{cite journal |last1= |first1= |last2= |first2= |date= |title=The Ceres gravity field, spin pole, rotation period and orbit from the Dawn radiometric tracking and optical data |url=http://www.sciencedirect.com/science/article/pii/S001910351730341X |journal=Icarus |volume= |issue= |pages= |doi=10.1016/j.icarus.2017.08.005 |access-date= }}</ref>
| declination = 66.764°<ref name="SPICE">{{cite web |title=Asteroid Ceres P_constants (PcK) SPICE kernel file |url=http://naif.jpl.nasa.gov/pub/naif/DAWN/kernels/pck/dawn_ceres_v05.tpc |accessdate=5 November 2015}}</ref>
| axial_tilt = 4°<ref name=SPICE/>
| albedo={{val|0.090|0.0033}} ([[geometric albedo|V-band geometric]])<ref name="Li2006" />
| temperatures = yes
| temp_name1 = [[Kelvin]]
| min_temp_1 =
| mean_temp_1 = ≈ 168 K<ref>{{cite book |author=Angelo, Joseph A., Jr |year=2006 |title=Encyclopedia of Space and Astronomy |publisher=Infobase |location=New York |isbn=0-8160-5330-8 |page=122 }}</ref>
| max_temp_1 = 235 K<ref name="Saint-Pe1993" />
| spectral_type=[[C-type asteroid|C]]<ref name="Rivkin2006" />
| magnitude = 6.64<ref name="Pasachoff1983" /> to 9.34<ref name="fact3">APmag and AngSize generated with [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=1 Horizons] (Ephemeris: Observer Table: Quantities = 9,13,20,29) {{webarchive |url=https://www.webcitation.org/62D6JuAKM?url=http://ssd.jpl.nasa.gov/horizons.cgi?find_body%3D1%26body_group%3Dsb%26sstr%3D1 |date=5 अक्टूबर 2011 }}</ref>
| abs_magnitude ={{val|3.36|0.02}}<ref name="Li2006" />
| angular_size = 0.854″  to 0.339″
}}
'''सीरीस''' चाहे '''सेरेस''' (प्रतीक: [[File:Ceres symbol (bold).svg|16px|⚳]])<ref>{{cite web |url= https://www.jpl.nasa.gov/infographics/what-is-a-dwarf-planet |author= JPL/NASA |date= 2015-04-22 |website= Jet Propulsion Laboratory |title= What is a Dwarf Planet? |access-date= 2022-01-19}}</ref> हमनि के [[सौर मंडल]] के [[झुद्रगरह घेरा]] में एगो [[बौना ग्रह]] बा। एकर व्यास लगभग 950<ref>डॉन एक्सप्लोरिंग [https://web.archive.org/web/20150905125337/http://nesf2015.arc.nasa.gov/sites/default/files/downloads/pdf/05.pdf सीरीस]</ref> किमी बा आ ई आपने गुरूत्वाकर्षक खिचाव से गोल हो गइल बा। ई [[सौर मंडल]] के तेंतीसवा सभसे बड़ चिज हऽ। पत्थर आउर बरफ के बनल, सीरीस झुद्रगरह घेरा के एक तिहांई वजन अपना भीरि रखेला। पृथ्वी पऽ से एकर सापेक्ष कांतीमान 6.7 से 9.3 के बीच में रहेला,एह चलते जवन दिन ई सभसे जादे चमकेला ओहु दिन पृथ्वी पऽ से ना लउकेला।<ref>https://theskylive.com/ceres-info</ref>

सीरीस के खोज [[ज्युसेप्पी पियाज्जी]] 1 जनवरी 1801 के कइले रहन। एकर खोज ग्रह के रूप में भईल रहे लेकिन 1850 के दशक में जब एकर परिक्रमा घेरा में आऊर भी चीज मिलल तऽ एकरा [[क्षुद्रग्रह]] के श्रेणी में डाल दिहल गईल।

सीरीस के भीतर के हिस्सा पथरीला बा आऊर बीच के हिस्सा बरफ के बनल बा, मानल जाला की बरफ के परत के नीचे [[महासागर]] के अवशेष हो सकेला।<ref>McCord, T. B.; Sotin, C. (21 May 2005). [http://onlinelibrary.wiley.com/doi/10.1029/2004JE002244/full "Ceres: Evolution and current state"]. ''Journal of Geophysical Research: Planets''. '''110''' (E5): E05009.[[Bibcode]]:[[bibcode:2005JGRE..110.5009M|2005JGRE..110.5009M]].[[Digital object identifier|doi]]: [https://doi.org/10.1029%2F2004JE002244 10.1029/2004JE002244]. Retrieved7 मार्च 2015.[http://onlinelibrary.wiley.com/doi/10.1029/2004JE002244/full]</ref><ref>O'Brien, D. P.; Travis, B. J.; Feldman, W. C.; Sykes, M. V.; Schenk, P. M.; Marchi, S.; Russell, C. T.; Raymond, C. A. (मार्च 2015). [http://www.hou.usra.edu/meetings/lpsc2015/pdf/2831.pdf "The Potential for Volcanism on Ceres due to Crustal Thickening and Pressurization of a Subsurface Ocean"] (PDF). ''46th [[Lunar and Planetary Science Conference]]''. p. 2831. Retrieved 1 मार्च 2015.</ref> शायद बहरी सतह बरफ,पानी आ कुछ खनिज से बनल बा।जनवरी 2014 में सीरीस के सतह पऽ से भाप निकलत पावल गईल, जवन अजीब बात रहे।<ref>नासा के विज्ञान [https://science.nasa.gov/science-news/science-at-nasa/2014/22jan_ceres/ समाचार]: [https://science.nasa.gov/science-news/science-at-nasa/2014/22jan_ceres/ Water Detected on Dwarf Planet Ceres], by Production editor: Dr. Tony Phillips | Credit: Science@NASA (22 January 2014)</ref>

{{clear}}

[[नासा]] के [[अंतरिक्ष यान]] [[डॉन अंतरिक्षयान|डॉन]] हेकर कक्ष मे ६ मार्च २०१५ के ढूकल रहे।<ref name="NASA-20150306">{{cite web |last1=Landau |first1=Elizabeth |last2=Brown |first2=Dwayne |title=NASA Spacecraft Becomes First to Orbit a Dwarf Planet |url=http://www.jpl.nasa.gov/news/news.php?feature=4503 |date=6 March 2015 |publisher=[[Jet Propulsion Laboratory]] |access-date=6 March 2015 }}</ref><ref name="arrival-jpl.nasa.gov">{{cite web |title=Dawn Spacecraft Begins Approach to Dwarf Planet Ceres |url=http://www.nasa.gov/jpl/dawn/dawn-spacecraft-begins-approach-to-dwarf-planet-ceres/ |publisher=[[NASA]] |access-date=29 December 2014}}</ref><ref name="Rayman2015.03.06">{{cite web |url=http://www.planetary.org/blogs/guest-blogs/marc-rayman/20150306-dawn-journal-ceres-orbit-insertion.html |title=Dawn Journal: Ceres Orbit Insertion! |publisher=[[The Planetary Society]] |first=Marc |last=Rayman |date=6 March 2015 |access-date=6 March 2015}}</ref>जब डॉन सीरीस भिरि चहुपल तऽ होकर छबी नासा के भेटाईल आउर ओहमें सतह प गहीडा लउकल।

==संदर्भ==
{{Reflist|33em}}

{{solar system}}

[[श्रेणी:सौरमंडल]]

{{astronomy-stub}}

सीरीस (बउना गरह) - बदलाव इतिहास

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