Reflection nebula: NGC 1999 Another type of diffuse nebula, a reflection nebula doesn’t emit its own light, but scatters light from embedded stars. (Image credit: NASA, JPL-Caltech, Kate Su (Steward Obs, U. Arizona) et al.) Planetary nebula: The Helix Nebula This is composed of expand...
The term Planetary Nebula is one type of Nebulae (Not nebulas), which are large clouds of ice and dust that have been created in the aftermath of the death of a star. Although their name includes “planet”, they are nothing to do with planets. They do get their name from the mistaken...
To the unaided eye a globular star cluster is just a large point of light in the sky. This large point might be mistaken for only being one star.,... Learn more about this topic: Star Clusters | Definition, Types & Age from
Astronomy is the scientific study of celestial bodies in outer space. Learn about the definition and history of astronomy, and discover the different fields of astronomy -- planetary, stellar, solar, observational, and theoretical. Related to this Question ...
A planetary nebula is a phenomenon that occurs when a small to medium star approaches the end of its life cycle. The first one was...
Understanding key ideas- make sure you can correctly explain a planetary nebula Additional Learning Use the lesson called Planetary Nebula Lesson for Kids: Definition & Facts to learn more about the following: Gases in stars like our Sun
Definition:Quasi Stellar radio sources, abbreviated QUASARS, are the most dynamic and far-off objects in a collective known as active galactic nuclei (AGN). What is a dying star called? Some types of stars expire with titanic explosions, calledsupernovae. When a star like the Sun dies, it...
Page 2 of 6 - What is the scope of choice for planetary and lunar viewing - posted in Solar System Observing: This insane sharp 12.5 Dob is the way to go. Takes 600x and keeps going on Jupiter. No lifting, just roll it out and let it rip.
What is a Planet ? APlanetis a celestial body that orbits round astarsuch asthe Sun. There had been no consensus on what constituted a planet for a long time until August 2006, when the International Astronomical Union came up with a definition of a planet. An object must fulfil the ...
This is done either through the formation of a planetary nebula or a supernova. In this way, stars produce and distribute heavier elements such as carbon, nitrogen, and oxygen in the universe. The Sun is the closest star to Earth; however, many other stars are visible at night. One of ...