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Obviously stars are all made from matter...so this question could be addressed as; how do forming stars obtain more matter. The answer is simply more gravity. Gravity is defined as the attraction force between two masses. So as the star attracts more matter its gravity increases and this process of attracting matter speeds up.
But the only way gravity can increase is if there is plenty of matter available. Matter isn't spread out uniformly across the universe often its clustered in vast 'pockets' of gasses and particles called 'Nebula's', these are where stars are born. If a star is forming inside a particular large nebular it has more matter available therefore the stars gravity can continue to grow and create a larger star than a star in a nebular with less matter.
This isn't the only reason how star size varies but is the easiest to explain. Its also easier to understand as our sun was created inside the same nebular as other local stars which is why we don't find particularly larger stars close to earth; which is probably a good thing.
What else can I help you with?
Why do some stars look bigger than the other stars?
Some stars appear bigger than others due to their intrinsic luminosity, distance from Earth, and atmospheric effects. Brighter stars or those closer to Earth may appear larger in the sky, while atmospheric distortion can also make stars seem larger than they actually are.
Is the sun bigger or smaller than other stars?
Our sun is about average compared to other stars. Some are much smaller (white dwarfs) and others are much larger.
Why are some stars are brighter than the others?
Because some are larger than others and some are closer than others.
Is sun bigger than star or star bigger than sun?
The sun is a star, some stars are larger and other are smaller.
What is the past tense of some stars appear to be brighter than others?
'Appear' would become 'appeared' in the past tense so the sentence would simply be 'some stars appeared to be brighter than others'.
How is the sun different from other stars relative to earth?
The Sun is bigger than some stars and smaller than others. It is brighter than some stars and dimmer than others. Relative to the Earth it is much closer than all other stars.
Which is the biggest the sun or a star?
Our Sun is a star, stars are suns. Some stars are bigger than our Sun, others are smaller.
Are large stars bigger or is the sun bigger?
Some stars are larger than the sun.
How much bigger is the sun than other stars and why is it more important?
The sun is bigger than some stars but smaller than others. It is more important to us than other stars because it is the only one close enough to provides us with a substantial amount of energy.
Why do some stars look bigger than the other stars?
Some stars appear bigger than others due to their intrinsic luminosity, distance from Earth, and atmospheric effects. Brighter stars or those closer to Earth may appear larger in the sky, while atmospheric distortion can also make stars seem larger than they actually are.
What makes some stars appear bigger than others?
Some stars are actually bigger than others, and some are closer to us, so appear bigger. The biggest star is UY Scuti, which is 1708 times bigger than the sun. It is 7800 light years away. The closest is Alpha Centauri, at 4.5 light years away. Note: nearly all stars are so far away that they still appear as just points of light, even in large telescopes. The angular size of some stars can be measured using "interferometry".
Is the sun bigger or smaller than other stars?
Our sun is about average compared to other stars. Some are much smaller (white dwarfs) and others are much larger.
When was Some Girls Are Bigger Than Others created?
Some Girls Are Bigger Than Others was created in 1986-06.
Is the stars bigger than Mars?
ARE* the stars bigger than mars? To answer your question: Yes, much bigger. Since the Sun in our solar system is in itself a star and is much bigger than Mars, you can assume that all stars are bigger Mars. P.S. The Sun is considered a relatively small star compared to others in our Galaxy.
Is a star bigger than eath?
Some stars can.
Is a star bigger than a nova?
Some stars are
Are bright stars small?
No, some stars are bigger than the sun :O
