That they are suns. Blue looking stars are hotter than orange looking ones. You can find out more at your local astronomy museum. If you can't find information there, you probably find some information at a space shuttle.
The "protostar". That's not classed as a true star, but I think that's the answer.
No, that's not true.
The smaller a star is, the longer its life cycle.
True Life - 1998 I'm a Reality TV Star was released on: USA: 29 March 2006
They are both constant and unchanging. Like the North Star, true love is a steadfast guide in one's life.
Yes, it is true that an average star spends about 90 percent of its life on the main sequence burning hydrogen into helium through nuclear fusion. This is the longest and most stable phase in a star's life cycle before it transitions into the next phase.
The true name for the North-Star is Polaris.
True. At the center of the star is a hub, or a switch.
False. The sun is a yellow main sequence star.
True.
The "star life cycle" refers to stars. Earth is not a star.
The sun is not the largest star.