It is the DISTANCE between earth and moon that governs the gravitational pull of EACH UPON THE OTHER. Since the moon's orbit around the earth is elliptical, the moon goes through perigee (its smallest distance to the earth) and apogee (its greatest distance) every month. Perigee and apogee can occur at any phase.
What is an Auction and how does it work? An Auction is where property is sold at a specific time and place to the highest bidder. Most auctions require a person to get a bidder number or other identifying item prior to bidding.
reverse auction. Type of auction in which several sellers offer their items for bidding, and compete for the price which a buyer will accept. The buyer usually has the option to accept any bid or reject all. Bid-based construction or supply contracts are examples of reverse auction. Also called business to consumer auction.