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Sedna

Sedna. Margus Rätsep 072917 Yafb-31. Sedna. Kui inuiti jumalanna, kes lõi mereolendid. +. 14.11.2003 Mike Brown, Chad Trujillo David Rabinowtz. Samuel Oschini Teleskoop. =Sedna. Planetoid, tuntud ka kui 2003 VB12. Suurus. Sednast üldiselt. Mass: 8.3×10 20 –7.0×10 21 kg

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Sedna

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  1. Sedna Margus Rätsep 072917 Yafb-31

  2. Sedna... Kui inuiti jumalanna, kes lõi mereolendid.

  3. + • 14.11.2003 Mike Brown, Chad Trujillo David Rabinowtz Samuel Oschini Teleskoop

  4. =Sedna Planetoid, tuntud ka kui 2003 VB12

  5. Suurus

  6. Sednast üldiselt • Mass: 8.3×1020–7.0×1021 kg • Tihedus 2.0 g/cm³ • Temperatuur ≤ -240°C • Pöörlemisperiood 10 tundi • Raskuskiirendus 0.33-0.50 m/s²

  7. Värvus • Üks punasemaid objekte Päikesesüsteemis • Koostis • 24% toliini • 7% süsinikku • 26% metanooli jääd • 33% metaani • Väga vähe jääd (võrreldes Pluto ja Charoniga). • Ühtlane pind

  8. Orbiit • Afeel 975 AU* • Periheel 76,16 AU • Periood 10500-12000 aastat • Jõuab periheeli 2075-2076 *1AU=149 598 000 km

  9. Kasutatud kirjandus http://www.aai.ee/planets/nineplanets/sedna.html http://en.wikipedia.org/wiki/90377_Sedna http://www.gps.caltech.edu/~mbrown/sedna/ http://www.astro.caltech.edu/palomar/oschin_telescope.htm

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