A nebula (Latin for 'cloud, fog'; [1] pl. nebulae or nebulas) [2][3][4][5] is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral, or molecular hydrogen and also cosmic dust. Nebulae are often star-forming regions, …

The nebula is silhouetted against a bright background to create interesting shapes and formations. There are also what is known as Dark Nebulae, opaque clouds that do not emit visible radiation and are not illuminated by stars but block light from luminous objects behind them.

Jun 17, 2024 · Nebulas come in many shapes and sizes and can be further divided into several subcategories including planetary nebulas, supernova remnants, dark nebulas and emission nebulas.

Oct 23, 2024 · Nebulae come in many shapes and sizes. Some of them are especially famous due to their beauty or scientific significance. Below are a few of the most renowned nebulae: Orion Nebula (M42): One of the most famous and easiest-to-observe nebulae, located in the Orion constellation. It is a stellar nursery where young stars are forming.

With sizes that range from less than 1 light-year to hundreds of light-years across, nebulae are some of the largest and most spectacular structures in the universe. They play a crucial role in the life cycle of stars, acting as the birthplaces for new stars and the remnants of dead or dying ones.

On the basis of appearance, nebulae can be divided into two broad classes: dark nebulae and bright nebulae. Dark nebulae appear as irregularly shaped black patches in the sky and blot out the light of the stars that lie beyond them.

Jan 9, 2013 · See stunning photos of weird nebulas that have strange shapes. Can you make out their shapes?

Jul 16, 2012 · What is the most striking feature of these nebulas are their amazing shapes. Here is the finest collection of pictures of different nebulas in space, taken from the Hubble Telescope. 10. Thor’s Helmet Nebula. With a movie released under the same name, everyone knows of the Norse mythology character Thor.

Dec 17, 1997 · Eye-Shaped Planetary Nebula NGC 6826. NGC 6826's eye-like appearance is marred by two sets of blood-red "fliers" that lie horizontally across the image. The surrounding faint green "white" of the eye is believed to be gas that made up almost half of the star's mass for most of its life. The hot remnant star (in the...

Sep 20, 2024 · In simple terms, a nebula is a giant cloud of dust and gas in the interstellar medium that stands out against the general background of the sky due to its radiation or absorption of radiation.