Break down light into spectra. Scholars learn how atoms emit and absorb photons and come to understand how this process allows scientists to identify different atoms based on either absorption lines or emission lines. Learners then...

Under the heading, "Evidence for Comets Found in Dead Star's Dust" this site examines specific details of an chart/graph which demonstrates the cloud of dust involved in the white dwarf and this cloud's relation to the material...

Imagine riding a balloon to the top of Earth's atmosphere to catch a piece of Comet Halley. During the Eta Aquarids meteor shower, Earth passes through a dust trail left by the most famous comet. This article details how a group of...

This site provides a detailed overview of the comet C/1843 D1 (the great march comet of 1843). Content includes discovery, orbit, and observational information.

From ABC News in Science, Larry O'Hanlon's article examines scientific evidence which suggests that the death of our solar system will be linked to the collision of comets.