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Answered 2009-10-14 23:07:52
i think the answer is hydrogen and helium but I'm not positive so don't blame me if you get it wrong.
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What is a major role of gravity in star formation?
Gravity compresses gases at the center of a solar nebula until temperatures are high enough for nuclear fusion to occur.
What describes a major role of gravity in star formation?
Gravity compresses gases at the center of a solar nebula until temperatures are high enough for nuclear fusion to occur
Which of the following describes a major role of gravity in star formation?
Gravity compresses gases at the center of a solar nebula until temperatures are high enough for nuclear fusion to occur
What is embedded in the center of the nebula?
A neutron star is embedded in the center of a nebula.
What happens to material in the center of a nebula?
The material at the center of a nebula clumps together as material is pulled there. This allows a star to form.
Why is the center of a collapsing nebula forms a star?
If enough matter comes together close enough, the collapse itself will generate enough heat (and pressure) for nuclear fusion. In other words, a star is created.
What happened to the matter at the center of the nebula?
It formed the sun!!
1 through 7 ebula shrinks to form a spinning disk?
A spinning disk is formed by the nebula shrinking is 4. The planets forming is 7. The planets form gas and dust accumulate as a nebula matter separates into galaxies. Nebula shrink to form a spinning disk,gravity pulls gases to the center of the disk .Gas at the center of the disk becomes hot and dense enough for nuclear fusion to begin
What is the name of a dead star?
the pulsar at the center of the crab nebula
Are stars at the center of the milky way closer to earth that Orion nebula?
Distance to center of Milky Way: about 26,000 light-years. Distance to Orion Nebula: about 1,300 light-years.
What is the temperature in the Nebula?
Unknown as there are none close enough to study!!
What is a center of a Nebula?
a dense- dead star known as a neutron star
How did pressure and gravity become unbalanced in the solar nebula?
Pressure and gravitymay have become unbalanced in thesolar nebula because of an externalforce such as a collision of the solarnebula with another nebula or from anearby exploding star. This type offorce, was strong enough to overcomethe pressure of the nebula and triggerits collapse.
How does a nebula differ from a galaxy?
A galaxy is a massive collection of stars and nebulae, typically with a supermassive black hole at the center. A nebula is just a cloud of gas.
How does the solar nebula theory explain the dramatic density difference between the terrestrial and jovian planets?
The solar nebula theory explains that planets are formed by solid bits of matter. What that matter is entirely dependent on the gas and substances available. The terrestrial planets in our solar system were located in the inner part of the solar nebula. This means that the temperatures were too high for the gas to condense into solids, leaving metals and silicates as the only solids from which the small and dense terrestrial planets could form. Meanwhile, the temperatures in the outer solar nebula were cold enough for the gases to form solid ice. The large Jovian planets then formed from the large amounts of ice particles available and were able to capture gas directly from the solar nebula because of how large they were. The solar nebula theory explains that planets are formed by solid bits of matter. What that matter is entirely dependent on the gas and substances available. The terrestrial planets in our solar system were located in the inner part of the solar nebula. This means that the temperatures were too high for the gas to condense into solids, leaving metals and silicates as the only solids from which the small and dense terrestrial planets could form. Meanwhile, the temperatures in the outer solar nebula were cold enough for the gases to form solid ice. The large Jovian planets then formed from the large amounts of ice particles available and were able to capture gas directly from the solar nebula because of how large they were.
What is the center of a distant nebulas?
Massive stars are the center of a distant nebula. The massive stars are formed as the gas in the interstellar medium collapses under its own weight. The size of a nebula depends on the size of the original gas cloud.
How did the sun form in space?
Matter coalesced gravitationally from a nebula of gas and dust. This led to the formation of a "protostar". When it reached a mass threshold it had enough mass to start fusing hydrogen atoms and then the Sun became a true star.
How many types of nebulas are there?
there are many different types of nebulae:eagle nebuladark nebulaemission nebulareflection nebulasupernova nebulaplanetary nebulathe crab nebulathe Orion nebulathe helix nebulathe wolf generated nebulathe twin jet nebulacometary nebulacupids nebulathe horse head nebulathe horse head and flamesEskimo nebulathe ring nebulathe lemon slice nebulaboomerang nebulatarantula nebulared square nebulacateye nebularosette nebulahourglass nebulaeta canarie nebulai am not very sure if that's all of themby: cierra currier
Describe the process by which the sun produces an internal temperature hot enough for fusion to take place?
Stars are formed as a result of a large cloud of gas and dust coming together to form a nebula. As additional particles combine with the nebula, it's gravitational force increases. This increase in gravitational force pulls the particles closer together, and as the particles are pulled closer together, the temperature inside the nebula increases. (It is known that the center of the earth is a hot matter, probably molten liquid. This is caused by the tremendous pressure and resulting heat in the center of the earth as well as the gravitational pull.) Stars are much larger than the earth so the gravity is significantly greater and more pressure is generated. This enormous pressure results in very high temperatures being generated. When the center of a nebula reaches a temperature of 10 million Kelvin (10,000,000K), fusion begins. The fusion reaction releases energy and a star is born.
After the solar nebula collapsed its center became very hot and?
planetesimals formed the disk
What happens after a nebula contracts and its temperature increases to 10million K?
That is hot enough to ignite hydrogen fusion, so the nebula becomes a star (possibly with planets).
What is the difference between a nebula and a crab nebula?
The Crab Nebula is a nebula.
What is a Stella nebula?
It does not exist.There are:Solar NebulaPlanetary NebulaH NebulaSupernova Nebula (Supernova Remnant)Or just plain nebula.
Does a nebula provide enough energy for a nuclear fusion reactions that create the heaviest elements?
It is possible, but not certain. If the nebula is large enough and can coalesce to form a star, and that star ends it life as a supernova (which is where all the heaviest elements a star can make are made), yes, it will provide enough energy to do that.
What is the spiral galaxy made of?
Stars, nebula, and a super-massive black hole at it's center.
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