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What is the name for the theoretical end-product gravitational collapse of a massive star?
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What event may trigger new star formation in a spiral arm?
If an interstellar cloud is massive enough that the gas pressure is insufficient to support it, the cloud will undergo gravitational collapse. The mass above which a cloud will undergo such collapse is called the Jeans mass. The Jeans mass depends on the temperature and density of the cloud, but is typically thousands to tens of thousands of solar masses. In so-called triggered star formation, one of several events might occur to compress a molecular cloud and initiate its gravitational collapse. Molecular clouds may collide with each other, or a nearby supernova explosion can be a trigger, sending shocked matter into the cloud at very high speeds. Finally, galactic collisions can trigger massive starbursts of star formation as the gas clouds in each galaxy are compressed and agitated by tidal forces.
If two objects have an equal mass does a more dense object have a greater gravitational pull?
No. The gravitational force exerted by one massive object on others depends only on its mass. So long as you are outside of the object, its density is irrelevant.
How does astronauts go into space when there is gravity?
The massive speed and acceleration of the spaceship is so great, that they are able to escape Earth's gravitational pull. Then at around the correct altitute, they can orbit the Earth safely.
How does a black holes acquire greatest mass?
Most black holes are stellar mass black holes with masses comparable to those of large stars as they form from the collapse of massive stars. Scientists know of the existence of supermassive black holes that are millions to billions of times the mass of our sun and can be found in the centers of most galaxies. Scientists still do not know how these black holes become so massive.
What is before a neutron star?
A normal (but fairly massive) star.A normal (but fairly massive) star.A normal (but fairly massive) star.A normal (but fairly massive) star.
How are black holes created in the universe?
By the gravitational collapse of massive stars - once they stop producing energy.
How are a black holes started?
It is believed that they usually start from the gravitational collapse of a massive star - once it runs out of fuel.
How the black hole make?
A black hole is the result of the gravitational collapse of a massive star. This happens when the star runs out of fuel.
Where did a singularty come from?
A singularity arises from an object that has mass, but zero volume, ie. a black hole. These come from stars that are too massive to simply explode, they collapse under their own gravitational force.
Will more massive objects attract each other with a greater gravitational force or a smaller gravitational force?
The more massive the objects, the greater the gravitational force between them. The gravitational force is affected by mass and distance. The closer two bodies are, the greater the gravitational force also.
What is gravitational lensing?
Gravitational lensing is the bending of light around a massive object due to gravity.
What are the release dates for Massive Moves - 2010 Cliff Collapse 3-5?
Massive Moves - 2010 Cliff Collapse 3-5 was released on: USA: 20 January 2013
Which kind of stars become black holes?
Only stars that are much more massive than our sun can become a black hole. When the star dies, it explodes (called a supernova) and then gravitational collapse helps it to form a black hole.
Is Pluto massive enough to be a sphere by its own gravitational force?
no
Where do pulsars originate from?
The collapse of massive stars - the same as neutron stars.
What do black holes form from?
black holes are formed due to gravitational collapse of massive stars .Gravitational collapse occur when a star has less fuel to maintain it's internal temp. by nuclear synthesis or when a star receive extra matter in such a way that doesn't raise it's core temperature . in both these cases star's temp. is not sufficiently high to prevent collapsing under it's own gravity.But this isn't the only way by which a black hole can be formedprimordial black hole is a hypothetical black hole which is not formed by gravitational collapse of a massive star but by extreme density.in early stages of big bang pressure and temperature were extremely high and in these circumstances, simple fluctuation of density of matter can form a local region that is dense enough to form a black hole
What is the estimated number of nutrinos released by the collapse of a supernova?
There are about 40 to 50 of neutrinos released by the collapse of a supernova. This is known as a massive star.
