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the atmospheres of red giant stars

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What is a interstellar cloud made of?

Since interstellar clouds are most often overdensities in the interstellar medium, they have overwhelmingly similar chemical compositions - most of them (about 90%) being hydrogen, although this may be molecular, or ionized (plasma), with most of the remainder being helium. Heavier elements and compounds have been discovered spectroscopically in interstellar clouds, including more recently some unexpected light organic molecules.


Did planet earth form from drops of water or grains of dust?

Planet Earth formed from dust and gas in the solar nebula, not from drops of water. The dust and gas in the nebula gradually came together through a process called accretion, leading to the formation of larger and larger bodies that eventually became planets.


What colors of light passes most easily through interstellar clouds?

Red light passes most easily through interstellar clouds because it has the longest wavelength and lower energy, making it less likely to be absorbed or scattered by dust particles within the cloud. Blue and violet light, with shorter wavelengths and higher energy, are more likely to be scattered or absorbed.


What theory suggests that the interstellar dust within a nebular cloud is the most important component of planet formation?

The nebular hypothesis suggests that the interstellar dust within a nebular cloud is the most important component of planet formation. This theory proposes that gravitational forces cause the dust particles to collide and stick together, eventually forming planetesimals and then planets.


A large amount of gas and dust spread out in an immense volume is called?

A large amount of gas and dust spread out in an immense volume is called a nebula. Nebulas are vast clouds of interstellar material where new stars are born.

Related Questions

What is the typical size of an interstellar dust grain?

Interstellar dust grains typically range in size from a few nanometers to hundreds of nanometers. They are composed of various materials such as silicates, carbonaceous material, and ices, and play a crucial role in the formation of planets and stars in space.


What is a interstellar cloud made of?

Since interstellar clouds are most often overdensities in the interstellar medium, they have overwhelmingly similar chemical compositions - most of them (about 90%) being hydrogen, although this may be molecular, or ionized (plasma), with most of the remainder being helium. Heavier elements and compounds have been discovered spectroscopically in interstellar clouds, including more recently some unexpected light organic molecules.


What is interstellar gas cloud?

An interstellar cloud made of gas, dust, and plasma in a galaxy.


Stars form from?

Interstellar gas and dust.


Why are interstellar absorption lines so much thinner than stellar absorption lines?

Interstellar absorption lines are thinner than stellar absorption lines because they are produced by relatively sparse gas and dust in the vast interstellar medium, while stellar absorption lines are produced by more dense and complex environments within a star's atmosphere. The broader stellar absorption lines can be influenced by a variety of factors such as temperature, pressure, and magnetic fields, leading to their wider appearance compared to interstellar lines.


What is a diffuse mass of interstellar dust and gas?

A diffuse mass of interstellar dust and gas is known as a nebula. Nebulae are often regions where new stars are forming, as the dust and gas are the raw materials from which stars are born. They can vary in size, shape, and composition.


What is a large cold cloud of gas and dust in interstellar space?

These are generically referred to as, not surprisingly; 'interstellar clouds'


Which of these is not a consequence of dust in the interstellar medium?

One consequence of dust in the interstellar medium is causing reddening of starlight due to scattering and absorption.


The interstellar medium is approximately 99 percent gas and 1 percent dust Why is it the dust and not the gas that blocks your visible-light view of the galactic center?

Dust grains are better at scattering and absorbing visible light compared to gas molecules. The dust particles are larger and denser, causing them to block and scatter light effectively, making them more significant in obstructing visibility in the interstellar medium compared to the gas.


What is the name of Dark areas of gas and dust between the arms of a spiral galaxy?

Interstellar dust


What theory suggests that the interstellar dust within a nebular cloud is the most important component of planet formation.?

The answer is Nebular Theory


What is another word for space dust?

Cosmic dust, asteroidal dust, intergalactic dust, interstellar dust, comet dust, circumplanetary dust ~ it really depends on its astronomical location.