Wednesday 9-24-14. Clear off desk – Pop QUIZlet ! When finished with quizlet place upside down on floor Read & answer questions on pp.280-281. B. F. A. G. E. C. D. Irregular. Spiral. Elliptical. Distances in the Universe.
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Any value will fit into it’s own value exactly ONCE!
= 3,000,000 km
9.5 trillion km/year
=47.5 x 1012
10. How many km is a star that
is 20 light years away.
190 trillion km
190,000,000,000,000 km = how many light years?
190,000,000,000,000 km x 1 ly
4.5 trillion km = 1 light year.