A planetary nebula (PN, plural PNe), is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives. The term "planetary nebula" ...
Using more than 100 spectacular images from the Hubble Space Telescope, Cosmic Butterflies explores the beauty of the most mysterious celestial objects in space, planetary nebulae. The mystery begins ...
Scientists agree the sun will die in approximately five billion years, but they weren’t sure what would happen next…until now. A planetary nebula marks the end of 90% of all stars active lives and ...
A small telescope will already reveal the characteristic donut-like structure of glowing gas that gave the Ring Nebula its name. The Ring Nebula is a planetary nebula - objects that are the colourful ...
"We can use the Ring Nebula as our laboratory to study how planetary nebulae form and evolve." The so-called "planetary nebulae" is a misnomer that dates back to the 18th century, when the ...
Helix Nebula: When a star like the Sun runs out of fuel, it expands and its outer layers puff off, and then the core of the star shrinks. This phase is known as a “planetary nebula" Thanks For ...
Each week, Astronomy magazine Senior Editor Michael E. Bakich, a master at explaining how to observe, posts a podcast about three or more objects or events you can see in the sky.
Deep within the Orion Nebula, researchers are one step closer ... has intensified debate around the origin of free-floating, planetary-mass objects in star-forming regions. Stars typically form ...