Kids.Net.Au - Encyclopedia > Astronomy and Astrophysics basic topics

Encyclopedia > Astronomy and Astrophysics basic topics

Article Content

Fatal error: Maximum execution time of 30 seconds exceeded in /home/tee/public_html/wikipedia/LinkCache.php on line 37

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Quadratic formula

... solution x, and this solution is real. (Geometrically, this means that the parabola described by the quadratic equation touches the x-axis in a single point.) If ...