Moscow Oblast

Moscow Oblast is The Most Popular (By Population) Oblast of Russia. It is named after the City of Moscow which is also the Capital of Russia. It was the size of The Grand Duchy of Moscow. Most of Russia's Early History Takes place in this Oblast, Although Today it has Dozens of Oil, Natural Gas and Coal.

Questions

 * 1) Why is it called "Moscow"? Sounds Russian, Must be a Russian Name or Somethin'...
 * 2) Why did Dolgorukiy Choose The Name "Moscow"? Sounds Like Dolgorukiy just wanted some sort of name... I actually don't know why.
 * 3) Why is it The Capital Of Russia? It is the place where Russia was Founded, I guess thats why...
 * 4) OhBlast.png.png is it Москва in Russian? Dunno, Sounds Like it was Mocking a Buh?!?