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A cloud of dust and gas is a collection of tiny solid particles and various gases, often found in space. These clouds can be the birthplaces of stars and planetary systems as gravity causes the particles to clump together and form denser regions. They're commonly referred to as "nebulae," and they come in various types such as molecular clouds, reflection nebulae, and emission nebulae.
Because of gravity. Only gravity can pull large clouds together with enough force to overcome gas pressure.
Clouds of dust and gas.
No. The surface of Venus is obscured by thick clouds. If you could fly above the clouds then you would see the same stars that you see from Earth.
cold and dense
Stars form in space when giant gas clouds start to clump together and collapse in upon themselves. This clumping is often caused by energy waves from nearby exploding supernova (dying stars). As they collapse, the molecules that form the clouds compress in upon each other to form helium and hydrogen. Once gravity pushes them together strongly enough, nuclear fission will begin to occur in the core of the star. This process will continue throughout the life of the star, until all of the fuel is used up.
That happens when they are so far away that you can't distinguish the individual stars. Also, to appear as "clouds", there must be a large amount of stars together.
When clouds increase, whole areas of stars may be hidden by clouds with groups of stars, still in the clear sky, seem to huddle together. The clouds are increasing, so the chance of rain is increasing too.
No. New stars form in dense clouds of dust and gas, sometimes in response to the shockwave caused by a "nearby" supernova.
It is not specifically those elements which "produce stars". Whatever elements happen to be around clump together, through gravity, and form the star.
A cloud of dust and gas is a collection of tiny solid particles and various gases, often found in space. These clouds can be the birthplaces of stars and planetary systems as gravity causes the particles to clump together and form denser regions. They're commonly referred to as "nebulae," and they come in various types such as molecular clouds, reflection nebulae, and emission nebulae.
All stars originate in (collapsing) gas clouds - consisting mainly of hydrogen - and usually in large groups (hundreds to thousands of stars forming together).
Because of gravity. Only gravity can pull large clouds together with enough force to overcome gas pressure.
Stars do not have clouds.
No, a nebula is a place where stars are born. Stars and clouds are very different.
Stars. That is how stars are formed. They form from nebulae.
the cool clouds in which stars form.