alright soo quick summery..... (our galaxy is called the milky way it is on of millions. our galaxy is about 100,000 light years across. our milky way is part of the Sagittarius constellation. and lastly there are trillions of stars in the milky way BUT only one earth that we know of.) and the two questions thats up to u do u have any questions like how far a light year is or anything about what i just typed.
