# How many years would a radio signal take to reach the Andromeda galaxy?

In a vacuum, radio waves travel at the speed of light. Since the Andromeda galaxy, the closest galaxy to us, is 2.9 million light years away from Earth, it would take radio waves 2.9 million years ... Read More »

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## How many cups of sugar is a pound of powdered sugar equal to?

One pound of granulated sugar (the equivalent of 16 oz. by weight) is equal to 2 1/4 cups. However, confectioners sugar, commonly referred to as powdered sugar, amounts to 4 cups or 4 1/2 cups sift... Read More »

## How long does it take for a pulse of laser light to reach the moon&bounce back to earth?

The speed of light is 186,000 miles per second. The average distance between Earth and the moon is 238,857 miles. With these numbers, we can calculate that it takes light 2.568 seconds to go to the... Read More »

## How many cups are in a box of brown sugar?

Exact measurements may vary by product, but each cup of light, dark or golden brown sugar equals approximately 7.05 oz. A box weighing 16 oz., or 1 lb., contains 2.27 cups of brown sugar.Source:Con... Read More »

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