This National Aeronautics and Space Administration sites highlights the investigation of supernova SN 1604 with images from three different NASA observatories. This site presents a composite image that combines visible,...

This website from the Australian Telescope Outreach and Education group provides a thorough introduction to the life and death of stars. The website uses text, diagrams, and images to help explain how stars evolve....

This National Aeronautics and Space Administration (NASA) website provides information about the group of short-period comets in the Kuiper Belt. The article compares the sizes and composition of these objects to Earth...

This National Aeronautics and Space Administration website explores flames in microgravity. It shows photos of flames in space. Also, it shows a related experiment in which spiral patterns are observed when a slowly...

This web page, created by Edward L. Wright of the University of California, Los Angeles, provides answers to common questions regarding cosmology. Questions include the Universe's age, its origin, its fate, and its...