how are nebulae created

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https://en.wikipedia.org/wiki/Nebula

Nebula – Wikipedia
https://en.wikipedia.org/wiki/Nebula
The compact object that was created after the explosion lies in the center of the Crab Nebula and its core is now a neutron star. Still other nebulae form as planetary nebulae . This is the final stage of a low-mass star’s life, like Earth’s Sun. Stars with a mass up to 8-10 solar masses evolve into red giants and slowly lose their outer …

https://spaceplace.nasa.gov/nebula/en/

What Is a Nebula? | NASA Space Place – NASA Science for Kids
https://spaceplace.nasa.gov/nebula/en/
A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form. For this reason, some nebulae are called star nurseries.

https://www.astronomytrek.com/what-are-nebulae-and-how-are-they-formed/

What Are Nebulae And How Are They Formed?

What Are Nebulae And How Are They Formed?

A nebula subsequently begins to form when a few atoms get close enough to clump together. Naturally, the more atoms that clump up, the stronger their gravitational influence then becomes. This in turns allows them to draw even more particles towards them and after eons of time you get a large gaseous cloud forming in space.

https://www.universetoday.com/61103/what-is-a-nebula/

Nebulae: What Are They And Where Do They Come From …

Nebulae: What Are They And Where Do They Come From?

In essence, a nebula is formed when portions of the interstellar medium undergo gravitational collapse. Mutual gravitational attraction causes matter to clump together, forming regions of greater…

https://www.tutorialspoint.com/what-is-a-nebula-and-how-is-it-formed

What is a nebula and how is it formed?
https://www.tutorialspoint.com/what-is-a-nebula-and-how-is-it-formed
The formation of most planetary nebulae occurs due to during the last phase of the star’s life, the external layers of the star are emitted by heavy stellar winds.

https://nineplanets.org/kids/nebulae/

Nebulae Facts For Kids | What?, Formation, Importance …

Nebulae

Nebulae are created in the interstellar medium, and they are the result of gasses breakdown. When gas, hydrogen, helium, ions, particles, and electrons particles clump together, they form nebulae. Why are Nebulae Important?

https://courses.lumenlearning.com/atd-fscj-introastronomy/chapter/the-nebular-theory/

The Nebular Theory | Introduction to Astronomy
https://courses.lumenlearning.com/atd-fscj-introastronomy/chapter/the-nebular-theory/
The nebula started to collapse and condense; this collapsing process continued for some time. The Sun-to-be collected most of the mass in the nebula’s center, forming a Protostar . A protostar is an object in which no nuclear fusion has occurred, unlike a star that is undergoing nuclear fusion.

https://www.78stepshealth.us/human-physiology/the-formed-elements-of-blood.html

Nebulae – Celestial Objects on Sea and Sky
www.seasky.org/celestial-objects/nebulae.html
Nebulae are often the sites of star formation. In fact, all stars, planets, and solar systems are formed from nebulae. A nebula may lie undisturbed for many millions or billions of years as it waits for just the right conditions.

https://www.britannica.com/science/planetary-nebula

Planetary nebula | astronomy | Britannica
https://www.britannica.com/science/planetary-nebula
Forms and structure. Compared with diffuse nebulae (see H II region), planetary nebulae are small objects, having a radius typically of 1 light-year and containing a mass of gas of about 0.3 solar mass. One of the largest-known planetary nebulae, the Helix Nebula (NGC 7293) in the constellation Aquarius, subtends an angle of about 20 minutes of arc—two-thirds the angular size of the Moon.

https://hubblesite.org/science/stars-and-nebulas

Stars and Nebulas – HubbleSite.org
https://hubblesite.org/science/stars-and-nebulas
How Do Stars Form in Nebulas? Stars are born in clouds of gas and dust. One such stellar nursery is the Orion Nebula, an enormous cloud of gas and dust many light-years across. Turbulence from deep within these clouds creates high density regions called knots.