Planetary Nebulae
The expulsion of gaseous materials from some aging stars form planetary nebulae. Here are some illustrated examples. Continue reading
Category Archives: Constellations and Nebulae
The Zodiac Group Constellations
Examine the shape and composition of the constellations of the Zodiac. Continue reading
The Perseus Group Constellations
Examine the shape and composition of the constellations related to the legend of Perseus. Continue reading
The Orion Group Constellations
Examine the shape and composition of the constellations related to the legend of Orion the Hunter. Continue reading
The North Pole Group Constellations
Examine the shape and composition of the constellations immediately surrounding the celestial North Pole. Continue reading
The Hercules Group Constellations
Examine the shape and composition of the constellations related to the legend of Hercules. Continue reading
Assorted Nebulae
There are many types of nebulae, including emission, diffuse, reflection, planetary, and dark. Learn about them with these illustrated examples. Continue reading
