A large collection of information about and photos of the starts and constellations in the sky.

This resource provides a brief description of the relationship between a neutron star and a pulsar. It details the pulsing rate and death of a pulsar.

For a man whose career involved the entire known universe, John Kraus had a remarkably insular upbringing. He was born and raised in Ann Arbor, Michigan, and earned his bachelor's, master's and doctoral degrees in physics, all at the...

Discusses the formation of the white dwarf and the role this star plays in the formation of a white dwarf supernovae.

This resource contains information about planetary nebulae and their characteristics.