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What makes up the interstellar medium?
The interstellar medium is all the matter that exists between the stars in a galaxy. It mainly consists of gas (99%), with about 75% of this gas being in the form of molecular or atomic hydrogen, and about 25% in the form of helium. The other 1% is in the form of dust. The density of the interstellar medium is also very small: about 1 atom per cubic centimetre.There are two main types of interstellar mediums:Cold clouds of neutral atomic or molecular hydrogen, which are the raw materials wherein stars can be formed if it becomes gravitationally unstable and collapses.Hot ionized hydrogen near hot young stars.
What causes interstellar dust and gas to start to contract and form a protostar?
A protostar forms when gravity pulls the dust and gases in a nebula together.
After bombarding a gold foil sheet with alpha particles scientist?
Scientists concluded that the atom consists of mostly empty space.
What can the scientist infer about the relationship of the nebula and the pulsars life cycle?
Nebulas are interstellar clouds made of dust and gases and a pulsar is a kind of star. A pulsar is formed inside of a nebula, therefore a scientist could conclude that without a nebula a pulsar could not exist.
A cloud of interstellar gas is held together by?
the gravitational force
What is interstellar gas cloud?
An interstellar cloud made of gas, dust, and plasma in a galaxy.
Stars form from?
Interstellar gas and dust.
What is interstellar medium?
If you're referring to the space between solar systems: lots. Rocks and planetoids wander; radiation is absorbed and produced; space stretches; Von Neumann probes originating from long-extinct civilisations slowly make their way towards our solar system to convert it to rubble - you name it, it's bound to be out there somewhere.
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 are the types of matter new stars can form from?
New stars form from the interstellar gas and dust; mainly hydrogen and helium.
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.
What is the name of Dark areas of gas and dust between the arms of a spiral galaxy?
Interstellar dust
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.
What does galaxy stand for?
A galaxy is a massive, gravitationally boundsystem that consists of stars and stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component tentatively dubbed dark matter.
The name applied to large quantities of interstellar dust and gas is?
Nebula.
Does matter exist in outer space?
In astronomy, the interstellar medium [See Link] is the gas and dust that pervade interstellar space: the matter that exists between the stars within a galaxy. It fills interstellar space and blends smoothly into the surrounding intergalactic space. The energy that occupies the same volume, in the form of electromagnetic radiation, is the interstellar radiation field.The interstellar medium consists of an extremely dilute mixture of ions, atoms, molecules, larger dust grains, cosmic rays, and (galactic) magnetic fields.
