- How long does a star live for?
- How many stars can a nebula produce?
- How stars die and are born?
- What happens after the main sequence of a star?
- What causes a dark nebula?
- What is the difference between a star and a nebula?
- How hot is a nebula?
- What is a dying star called?
- How long does the nebula stage last?
- What causes a nebula to glow?
- What nebula is Earth in?
- What happens when all the hydrogen in a star is gone?
- Are nebulae dangerous?
- How does a main sequence star die?
- What happens in a nebula?
- Is Nebula a hero or villain?
- What is it like inside a nebula?
- How do Nebula die?
- Is Earth in a nebula?
- Can you live in a nebula?
- Are stars born or made?
How long does a star live for?
The life of a star is determined by how large it is.
Stars live different lengths of time, depending on how big they are.
A star like our sun lives for about 10 billion years, while a star which weighs 20 times as much lives only 10 million years, about a thousandth as long..
How many stars can a nebula produce?
Nebula. Diffuse nebula are the clouds of material formed from the explosions of population three, population two stars, and the left over hydrogen and helium from the Big Bang. As a galaxy rotates like the Milky way, large densities of gas and dust build up in the spiral arms.
How stars die and are born?
Stars are born when large gas clouds collapse under gravity. … When it eventually dies, it will expand to a form known as a ‘red giant’ and then all the outer layers of the Sun will gradually blow out into space leaving only a small White Dwarf star behind about the size of the Earth.
What happens after the main sequence of a star?
When the stars go out. Eventually, a main sequence star burns through the hydrogen in its core, reaching the end of its life cycle. At this point, it leaves the main sequence. Stars smaller than a quarter the mass of the sun collapse directly into white dwarfs.
What causes a dark nebula?
The dark nebulae are clumps or clouds that become opaque because of their internal dust grains. The form of such dark clouds is very irregular: they have no clearly defined outer boundaries and sometimes take on convoluted serpentine shapes.
What is the difference between a star and a nebula?
As nouns the difference between star and nebula is that star is any small luminous dot appearing in the cloudless portion of the night sky, especially with a fixed location relative to other such dots while nebula is (astronomy) a cloud in outer space consisting of gas or dust (eg a cloud formed after a star explodes).
How hot is a nebula?
about 10,000 degrees CelsiusPhysical and spectral properties of planetary nebulae The temperature of the gas in the nebula is about 10,000 degrees Celsius, and the central stars of planetary nebulae are among the hottest stars in the Universe, with temperature in the range of 25,000 to over 200,000 degrees Celsius.
What is a dying star called?
Some types of stars expire with titanic explosions, called supernovae. When a star like the Sun dies, it casts its outer layers into space, leaving its hot, dense core to cool over the eons. But some other types of stars expire with titanic explosions, called supernovae.
How long does the nebula stage last?
The time it takes for a nebula to collapse into a star and start the nuclear burning of its hydrogen into helium depends on the size of the star. For a star the size of the sun, it takes about 10,000,000 years to collapse. For bigger stars, it is a shorter time – as low as 100,000 years for the biggest stars.
What causes a nebula to glow?
As these atoms fall back to lower energy states, they emit radiation. The process is similar to that of a neon light. This causes the nebula to glow. … It is a cloud of dust and gas that reflects the light energy from a nearby star or group of stars.
What nebula is Earth in?
The planet Earth is not part of any particularly named Nebula . Earth is part of the Solar System which is part of our home galaxy, the so-called “Milky Way”, which is part of the so-called Local Group , a collection of more than 50 other galaxies in the “neighborhood” of our own galaxy.
What happens when all the hydrogen in a star is gone?
Stars Like the Sun When the core runs out of hydrogen fuel, it will contract under the weight of gravity. … The upper layers will expand and eject material that will collect around the dying star to form a planetary nebula. Finally, the core will cool into a white dwarf and then eventually into a black dwarf.
Are nebulae dangerous?
There’s nothing especially dangerous about the nebula specifically, deep space will kill your crew in time, if their ship is damaged. They need to escape this nebula to get to somewhere they can do long-term repairs on their ship.
How does a main sequence star die?
If the original star had up to 10 times the mass of the sun, it burns through its material within 100 million years and collapses into a super-dense white dwarf. More massive stars explode in a violent supernova death, spewing the heavier elements formed in their core across the galaxy.
What happens in a nebula?
A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form. For this reason, some nebulae are called “star nurseries.”
Is Nebula a hero or villain?
Nebula is a major character in the Marvel Cinematic Universe. She served as the secondary antagonist of Guardians of the Galaxy, as the anti-heroic tritagonist of Guardians of the Galaxy Vol. 2, and as one of the tritagonists of Avengers: Infinity War.
What is it like inside a nebula?
The inside of a nebula would not look that much different from what we see when we look out at space. In the visible spectrum is may look like a faint haze or darkening of the stars. … These images are combined to highlight the nebula. Often you can see right through them in some wavelengths of light.
How do Nebula die?
The birthplace of a star is a huge, cold cloud of gas and dust, nebulae/nebulas. These clouds begin to shrink, a result of their own gravity. As a cloud begins to shrink it gets smaller and the cloud breaks up into clumps. … When a star can no longer maintain this balance, it dies.
Is Earth in a nebula?
Nebulae exist in the space between the stars—also known as interstellar space. The closest known nebula to Earth is called the Helix Nebula. It is the remnant of a dying star—possibly one like the Sun.
Can you live in a nebula?
Possibly, but probably not. It is not known when life formed on Earth, but Earth was once part of a nebula, and it now has life. … Solar nebulae like the one that formed our solar system are essentially cleared by the gravity of the sun and planets within 10–100 million years.
Are stars born or made?
A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. All stars are the result of a balance of forces: the force of gravity compresses atoms in interstellar gas until the fusion reactions begin.