Posted by **Maria** on Thursday, March 31, 2011 at 8:48pm.

A light year is the distance that a light travels through a vacuum (space without matter) in one year. A light year is about 9.46 x 10^12km. The distance to the spiral galaxy NGC 4603 is about 1.08 x 10^8 light years. What is the distance in km?

## Answer this Question

## Related Questions

- Math>>>>if anyone could check my answer - this problem is difficutl ...
- algebra - A light-year is the distance that light travels in one year. Find the ...
- math - a light year is the distance light travels in one year. one light year is...
- science - In which of the following statement the word light year is used ...
- physics - A light year (speed of light 2.998x10^8 m/s) is the distance light ...
- Math - Light travels at 3.0x10^8 meters/seconds. A light-year is the distance ...
- physics - In astronomy, distances are often expressed in light-years. One light-...
- Physics - Two stars are 8 light years from earth (a light year is the distance ...
- physics - A certain spaceship has a speed of 18200 mi/hr. What is its speed in ...
- Math - The distance that light travels in 1 year (a light year) is 5.88 x 10^12 ...

More Related Questions