- On a clear night you can see about 3000 stars with naked eye
- The sun is a star, it is nearer to the earth
- The star nearest to the earth after the sun is Alpha centuari, which is at a distance of about 4.3 light year
- The earth rotates from west to east
- Mercury has no atmosphere
கருத்துகள் இல்லை:
கருத்துரையிடுக