Nebulae are important because they are the birthplaces of stars and planets in the universe. They contribute to the process of stellar evolution and play a crucial role in enriching the cosmos with elements necessary for life. Studying nebulae helps scientists understand the fundamental processes that shape galaxies and the universe at large.
Nebulae are made primarily of gas and dust in space. The gas is mostly hydrogen and helium, while the dust consists of various elements such as carbon, oxygen, and metals. These materials are the building blocks for new stars and planetary systems within the nebula.
What do nebulae have to do with the life cycle of a star?
Nebulae are clouds of gas and dust in space where stars are born. When a star exhausts its nuclear fuel and dies, it can create a nebula known as a planetary nebula or a supernova remnant. These nebulae recycle the materials from the dead star back into space, where they can be used to form new stars and planets.
What is difference between dark nebulae and bright nebulae?
Bright nebula are clouds of gas and dust that shine by reflected starlight. Dark nebula are clouds of dust and colder gas that can be seen by their silhouette against brighter objects behind them in the line of sight.
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An emission nebula is a type of nebula that glows and emits light due to the ionization of gases by nearby stars. These nebulae typically have a reddish hue from hydrogen gas and can be found in regions of active star formation. They are often characterized by their intricate and colorful shapes, such as the famous Orion Nebula.
After a nebula, the next stage in the life cycle of a star is usually a protostar, where gravity causes the gas and dust within the nebula to begin collapsing and forming a dense core. Following this stage, the protostar may evolve into a main sequence star, where nuclear fusion begins in its core and it enters a stable period of energy production.
What are the names of two nebulae?
The names of two nebulae are the Orion Nebula and the Crab Nebula.
Nebulae are composed mainly of dust, gases, and plasma (ionized particles). The specific composition can vary depending on the type of nebula, but common elements found in nebulae include hydrogen, helium, carbon, oxygen, and nitrogen. These elements are the building blocks for stars and planets.
What is the difference between reflection nebulae and emission nebulae?
A nebula is a region of interstellar gas and dust. Emission nebulae are clouds of ionized gas that allow red, blue, and violet light through. Generally, these nebulae appear reddish.
Reflection nebulae are clouds of dust that simply reflect light from nearby stars. The dust particles of reflection nebulae usually only scatter blue light, so the appearance is blue.
Other types of nebulae don't reflect light. Dark nebulae such as the Horsehead Nebula are so dense that they block light from other sources, such as background emission nebulae, reflection nebulae, or other stars.
What are the stages of the Nebular theory?
The stages of the Nebular theory are: 1. Nebula formation - a giant molecular cloud collapses under its own gravity. 2. Disk formation - the nebula flattens into a spinning disk due to conservation of angular momentum. 3. Planetesimal formation - small particles in the disk collide and stick together to form planetesimals. 4. Planet formation - these planetesimals continue to collide and merge to form planets.
Can you see nebulae with a naked eye?
It is generally not possible to see nebulae with the naked eye due to their low surface brightness. Most are best viewed with telescopes or binoculars, as these tools can gather more light and help in distinguishing the faint details of nebulae.
What do astronomers believe are 'born' in nebulae?
Astronomers believe that stars, planets, and other celestial objects are 'born' in nebulae. Nebulae are vast clouds of gas and dust in space that can eventually collapse under their own gravity to form new celestial bodies. This process of stellar birth is essential for the formation and evolution of galaxies.
Is a nebulae where a star is born?
Yes, a nebula is a cloud of gas and dust in outer space where new stars are born. As the gas and dust in a nebula begin to collapse under gravity, the material can eventually become dense enough to form a new star. These regions are known as stellar nurseries.
There are several stages involved in the making of a planetary nebula. Take the sun for example, which is of course a star. Eventually the sun will run out of "fuel" (hydrogen) and grow to a red giant, and then when it's completely out "fuel" the sun will loose it's blown up outter layers and that layer will form a ring of gas around the remaining star. After that it will just be a white dwarf left, doomed to a slow death!
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Nebulae are formed when clouds of gas and dust in space collapse under their own gravity. As the cloud collapses, it can trigger the formation of new stars. The gas and dust that remain are illuminated by the newly formed stars, creating the colorful and intricate structures that we see in nebulae.
Von Nebula or Von Ness was once a hero in a factory. Usually one of Preston Stomer's first member in the Alpha Team. He and Preston was signed on a mission to capture an attacking drone. Once this happened he let Preston Stormer get the hit and he was badly injured. When Thresher arrived the drone gone critical attacking him with every shot. He inventually was killed during that battle. Now he blames Preston Stormer to be in the way of everything including the battle. Now Von Nebula has evolved into a super mechanical villain leading a large group of henchbots. Explode, Rotor, Vapour, Corroder, Thunder, and Meltdown. Von nebula is filled with hatred of Preston Stormer and he is armed with spiky armer triceps and carries his Nebula Staff which can produces black holes in an instant.
Name the different types of nebulae?
The different types of nebulae include emission nebulae, reflection nebulae, and dark nebulae. Emission nebulae are clouds of gas and dust that emit light, reflection nebulae reflect light from nearby stars, and dark nebulae are dense clouds of dust that block the light from behind them.
Can there be lightning in space?
Additionally, lightning happens inside nebulae due to stars ionizing the gas in the nebula (Which incidentally causes the colorization). Gamma ray bursts can also cause large discharges.
Stars, planets, solar systems, many objects in space can start as a large unstructured nebula of gas and dust, which can coalesce into massive objects under gravitational influence.
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Is a planetary nebulae surrounded by planets?
No, a planetary nebula is not surrounded by planets. It is an expanding shell of glowing gas ejected by a dying star, which is usually located in the center. The term "planetary" is a historical misnomer as these nebulae have nothing to do with planets.
What do you call a cloud of dust and gas in space?
A clouds of dust and gas in space is called a nebula. Nebula sometimes turn into stars under the right conditions. There are many different classifications give to nebulas. These include ring, emission, reflection and dark nebulae.
What is a cluster of stars and a nebulae called?
A cluster of stars and a nebulae together is often referred to as a stellar nursery. These regions are where new stars are born out of clouds of dust and gas.