Unless otherwise noted, material on this site is copyright A. P. Howell.
The header images in rotation are from NASA.
Celestial Fireworks, NASA Goddard Jupiter’s Moons, NASA/JHU-APL/Southwest Research Institute Frisbee Galaxy, NASA Goddard Omega Nebula (M17), MSFC Seyfert Galaxy NGC 1566, NASA Goddard Nebula NGC 5189, NASA Goddard