Illustrated discussion of the invention of the telescope with details on Galileo's telescope, the reflecting telescope, and the space telescope.

South African Large Telescope (SALT) homepage describes a multi-national project sponsored by the South African Astronomical Observatory to build a large telescope in South Africa. Visually appealing and written for the lay person.

Brief biographical sketch of Isaac Newton, famous scientist whose discoveries include the law of gravitation, three laws of motion, reflective telescope, and calculus.

A set of podcasts outlining a four-step process for understanding the vastness of our universe, from the vicinity of the Earth and Moon, out into distant galaxies. Downloadable instructions and a handout are included, as well as...

Investigate the science of radio astronomy, and create a model of a curved reflecting dish that will work like the Arecibo detector to detect electromagnetic waves. Explore risk using a risk space grid.