1st density is at the surface. 2nd is at depth.
Volume of Moon = 1
Density of liquid iron = 6.3 g/cm3 at 6000 C
Density of solid iron (fcc) = 8.6 g/cm3
Density of Inner core = 8.587 * 27 = 231.85
2015 was quite a successful year for the auction of the gemstones around the globe. With record-setting bids from private buyers, the year 2015 had recorded some of the biggest and major sales of the gemstones as well as stone studded jewelry!
Auctions have become one of the most awaited events for the affluent folks or the ones who admire beauty or are in the habit of possessing rare & unique stuff. Some of the rarest and the most stunning gemstones, such as the Emerald stones, Rubies, Diamonds and others, become the part of the auctions. The gemstones or the jewelry auctioned at the different event are not the ordinary ones in any sense; they either belong to renowned personalities in the past or are unique in nature/appearance or are th…