Curated OER
Evolution of Stars
In this evolution of the stars worksheet, students are given 12 sentences and they choose from one of two terms to complete the sentences. They use a given diagram showing stars, their absolute magnitude and their spectral class.
NASA
Nasa: Imagine the Universe: Welcome to the World of X Ray Astronomy
Site recounts how X-rays were discovered as well as who discovered them. Offers graphics, links to facts on this topic, a quiz, and teacher resources.
NASA
Nasa: Imagine the Universe: White Dwarfs
Brief description of white dwarfs with respect to their position in the life cycle of stars, the density of white dwarfs, the emissions of white dwarfs, and the temperatures associated with them.
NASA
Nasa: Astronomy Picture of the Day: White Dwarf Cocoon
A white dwarf star begins its life by "casting off a cocoon (nebula)that enclosed its former self." There are many links within the text to related topics.
NASA
Nasa Star Child: Stars (Level 2)
This NASA site that explains the notable features of stars and constellations, including medium and massive stars. Many terms are clickable links to definitions. There is also a link to the Level 1 version of this site, which is written...