What is the distance in meters to Proxima?

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What is the distance in meters to Proxima?

I am having a lot of trouble with the work. So, please help me out by showing me your work. Thanks a lot!

2006-10-09 15:32:47 · 3 answers · asked by bleedgold33 1 in Science & Mathematics ➔ Astronomy & Space

3 answers

39900 trillion metres

2006-10-09 20:48:13 · answer #1 · answered by Lutfor 3 · 0⤊ 0⤋

A light year in metric is almost exactly 10^13 kilometres/

That's 10 trillion kilometres. easy to remember

In metres, just multiply by 1000

= 10^16 metres

10 quadrillion metres

Multiply by 4.22

= about 40 quadrillion metres to Proxima.

(Near enough to the answer above, but I didn't have to reference Wikipedia)

2006-10-09 22:49:11 · answer #2 · answered by nick s 6 · 0⤊ 0⤋

4.22 ly x 9.46Ã10^15 m/ly = 3.99Ã10^16 m

2006-10-09 22:43:23 · answer #3 · answered by novangelis 7 · 0⤊ 0⤋