The American Museum of Natural History has created this web site containing a wide range of high quality images of the solar atmosphere and corona. Composite images show changes over time or different wavelengths. ...

This National Aeronuatics and Space Administration-Goddard website presents the basic concepts of the supernova. Topics include the different types of supernova, the cause of the explosion, and what happens to the core...

This web page contains lecture notes about the early universe. It describes the conditions that allowed particles to evolve into large stars and galaxies. The information provided is well organized and it also provides...

All the stars in the universe, including the Sun, are nuclear furnaces fueled by fusion. Beginning with the fusion of hydrogen and continuing with fusion of successively heavier elements, stars form all the naturally...

Welcome to the Encyclopedia of Suns! Many people are interested in astronomical research that touches on the relationship between astronomy and biology, or at least the possibility of biology on planets other than Earth....