Students explore the discovery of pulsar stars, and the characteristics of pulsar stars. Theories and ideas behind black holes are discussed. The issues of women's historical role in science are also touched on.

Seventh graders explore stars. For this star lesson, 7th graders apply generalities about space objects to constellations and explore the differences between radio waves and light waves by answering essential questions in their research.

In this energy activity, students are given a table of the many measurements of energy. They solve 6 problems converting from one measurement of energy to another using the conversion factors given.

Pupils study the use of X-ray data to make size and energy estimates of the source and the processes occurring there. They use XTE observations of the object GRO 1744-28 to determine whether bursts occur periodically and the duration of...