How many years did it really take?
That depends on how fast you count. If you can count about 3 numbers every second then it will take about 10 yrs. Of course you really can't count 3 numbers per second for ten years without stopping to sleep and eat so it would take much longer to "really" do it. 32 years if counting properly,sleeping,eating and drinking.
Well its a 2 fold answer really. Firstly the gases that form a star take millions if not billions of years to come together. However when a Protostar is formed, this is not a true star as it produces heat via friction not fusion; once this starts to occur it only take about 100,000 years to go from Protostar to Star.
There are bachelors degree programs requiring 4 years, or associates degree programs requiring 2 years. There is not really a pay difference between the two, but a 4 year program is less rigorous as the curriculum is spread out. After completing a program, you must then take a state board certification test.