Wednesday

July 23, 2014

July 23, 2014

Posted by **Lauren** on Sunday, April 19, 2009 at 3:22pm.

The star Sirius is 4.3 light years from Earth. Determine the distance to Sirius in km and in astronomical units.

THe moon's average distance from Earth is about 380,000 km. How long does it take moonlight to reach Earth? HELP!!!!!!

**Related Questions**

college physics - Sirius is about 9.0 light-years from Earth. To reach the star ...

colleg physics - Sirius is about 9.0 light-years from Earth. To reach the star ...

College Physics - Sirius is about 9.0 light-years from Earth. To reach the star ...

physics - A certain star is 10.9 light-years away. How long would it take a ...

Math - A star is 300 light years away from Earth. If the speed of light is 3 X ...

science - an imaginary dense star Z has 1/5 the radius of earth, but 1000 times ...

earth - How long would it take a brown dwarf star, five times the size of the ...

physics - Marks: 2 The time taken by the space craft moving at a speed equal ...

physics - Marks: 2 The time taken by the space craft moving at a speed equal ...

Physics - Suppose you wish to visit a star which is 450 light years away, and ...