The Two Micron All Sky Survey at IPAC website provides an image gallery of the solar system's objects, Jupiter's moons, H II regions, star formation regions, and reflection nebulae, open star clusters, globular star...

This booklet describes the interstellar medium and the local bubble that is being studied by NASA-s CHIPS satellite. It contains review questions and problems for students, plus two activities to help to understand some...

Authored by Nick Strobel, this chapter covers the characteristics of other normal galaxies, active galaxies, and finding distances to other galaxies, including the distance-scale ladder. It also includes large-scale...

This activity asks students to analyze both the light curve from a pulsar in the crab nebula and the Fourier Transform of the light curve. From this students must find the period of the light intensity, determine the...