Friday, March 18, 2011
People who still do not know the tricks in measuring the distances between planets, stars, and galaxies can be trivial for them. The distances between the planets, and especially the stars and galaxies, are so vast the measurements we use here on Earth, kilometers and miles, are too cumbersome. Astronomers have developed other units to measure distances in the solar system and the universe.
Posted by cheri at 1:11 AM