Magnets & Magnetism

Magnets & Magnetism

Science Lesson Introduction to Magnetism All objects are made up of tiny particles called atoms. Atoms are composed of several different particles, including tiny negatively charged electrons that rotate around the atom nucleus. The electrons in the atoms of magnetic...
Selecting a Telescope

Selecting a Telescope

This article addresses the following: Telescope Features Telescope Selection Telescope Features The aperture, which is the light gathering lens or mirror that points at the sky, is the key to observing more stars and greater detail. A larger aperture gathers more...