ISP 205: Visions of the Universe - Physics & Astronomy
ISP 205: Visions of the Universe - Physics & Astronomy
ISP 205: Visions of the Universe - Physics & Astronomy
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Suppose you tried to count <strong>the</strong> more than 100 billionstars in our galaxy, at a rate <strong>of</strong> one per second…How long would it take you?A. a few weeksB. a few monthsC. a few yearsD. a few thousand years© 2005 Pearson Education Inc.,publishing as Addison-Wesley