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A star's apparent brightness depends on:* Its actual brightness - please note that there are huge differences here.
* Its distance. If one star is 10 times as close as another one, it will appear to be 100 times as bright.
* Any dust or gas that may absorb part of the star's light.
Wiki User
∙ 7y ago
Wiki User
∙ 6y agoBecause one star, the sun, is very much closer than the others.
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Why does a medium-siza star appear brighter than the others?
Because some stars are closer then the others. Maybe a star isn't so big, but if its closer then a bigger one, then it looks shinier.
Why does the sun appear brighter than a star?
The Sun is much, much closer to the Earth than any other star - eight light minutes vs. four light years for the next nearest star.
Why is the sun appear brighter than alpha centauri b?
Our Sun appears brighter than Alpha Centauri B because of its proximity to our point of view. We are much closer to our Sun then any other star which means that our Sun will be much brighter then everything else in the sky.
Which star is cooler and many times brighter than Earth's Sun?
The Sextopia star
Why is Jupiter in the night sky brighter than betelgeuse?
Jupiter is brighter than Betelgeuse in the night sky because it is much closer to the Earth in comparison to Betelgeuse(Betelgeuse is more than 500 lightyears away form the Earth). This way, Jupiter appears larger than Betelgeuse, and celestial objects that appear larger also appear brighter than objects that appear small.
What makes some stars appear brighter than others the temperature or the size?
It is a mixture of both. A hotter star will generally appear brighter than a cooler star of the same size. Similarly, a large star will appear brighter than a small one of the same temperature. The brightest stars are generally red supergiants, which are comparatively cool stars, but are so large that their size more than makes up for it. A star's apparent brightness from any given vantage point also depends on its distance. The closer a star is to you, the brighter it will appear.
How can you tell if a star is brighter than another?
The star might be closer to the Earth, or it is just brighter than the others. :D
Why does star Sirius appear brighter than star pollux?
While Pollux is actually brighter than Sirius, Sirius appears brighter because it is several times closer.
Why does a medium-siza star appear brighter than the others?
Because some stars are closer then the others. Maybe a star isn't so big, but if its closer then a bigger one, then it looks shinier.
What are the factors that make one star appear brighter than another star?
The size of the star, because the smaller the star the hotter it is because of nuclear fusion. So the hotter the brighter.
Why would one red giant appear brighter than the other?
Three possibilities: It is brighter (some are brighter than others), it is bigger, or it is closer to earth.
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'.
What is a brighter star?
A star that is brighter than another.
Which is brighter larger stars or smaller stars?
Brightness is related to distance. However, from the same distance, an O class star is much much brighter than a M class star. As a comparison, an O class star would appear about 100,000 times brighter than our Sun, whereas a M class star could appear 0.0017 dimmer than our Sun, if the Sun was replaced with each star.
Why do some starts appear brighter than others?
The brightness of stars varies because of many reasons. 1. The Distance. Some Stars are far away, and the light takes longer to reach us, so the star only appears to be darker then stars around it that may appear brighter. 2.The size. Some stars are massive, and appear brighter then others simply due to their size. 3. It isn't a star. what you may be looking at isn't a star. You may be seeing a satellite, quasar, or even a close white dwarf or neutron star. 4. Finally, you may be looking at the milky way. in which case, they all appear to be brighter then stars outside it. This also falls under distance.
Why one star may appear brighter than other star?
The brightness of a star depends on the star's temperature, size, and distance from Earth.Distance on which you can see the stars.
Why does a medium sized stars appear brighter than the others?
The Sun is the closest star to Earth, so it appears much brighter than other, more distant stars. The Sun is eight light-MINUTES away from the Earth. The NEAREST other star is 4.2 light years away (Proxima Centauri).
