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Earth orbits our Sun, a star. Earth is the third planet from the Sun at a distance of about 93 million miles million km. The stars twinkle in the night sky because of the effects of our atmosphere.
When starlight enters our atmosphere it is affected by winds in the atmosphere and by areas with different temperatures and densities. This causes the light from the star to twinkle when seen from the ground. The change in intensity of light coming from the stars is called twinkling of stars. Hence, the star light reaching our eyes change continuously and stars appear to twinkle. The twinkling of stars is due to atmospheric refraction of star-light.
The atmosphere is made of several layers and the refractive indices which keep on changing continuously due to this path of light rays from the star keep on changing their path continuously. Stars on the Main Sequence that are hotter than the Sun are also larger than the Sun. So hot blue stars are more luminous and therefore appear higher in this diagram for two reasons: they are hotter, and hot objects are more luminous than cool objects, but they are also larger.
Stars exist in a range of colors: red, orange, yellow, green, white and blue with red being the coolest and blue being the hottest. The hotter the star, the shorter the wavelength of light it will emit. The hottest ones are blue or blue-white, which are shorter wavelengths of light. Blue light is scattered more than the other colors because it travels as shorter, smaller waves.
This is why we see a blue sky most of the time. Answer: The largest known star in terms of mass and brightness is called the Pistol Star. What are characteristic of planets? By what light does planets shine? Planets can be seen in the sky because?
What make planets and satellites shine? Do the other planets shine at night? What is the difference between a moon and a planet and a star? The moon and planets shine by what sunlight? Why do planets shine in the sky? The planets and the moon shine because of what sunlight? Why moon and planets shine and produce light? Does the sun shine on every planet in space? Are stars and planets alike? Why do planets and the moon appear to shine?
Why do the planets and their moons appear to shine? Why are planets sometimes mistaken for stars? Why does the moon and planets shine in the night sky? Our sun is a medium-sized star and still has millions of years to exist. The process of producing the heat for each star involves fusion. The energy is trapped inside the sun for millions of years, constantly trying to get out. Finally, after it rises into the outer areas of the sun, the energy escapes and it is carried off as solar wind.
The next thing that you need to think about as a reason the stars shine is the speed of light. Light travels at a specific speed and will continue to travel until it hits something that blocks it. But astronomers have other ways of observing distant planets. As long as we are talking about planets lighting up, we might as well discuss the moon since it shines for the same reason planets do.
The materials making up the comet reflect sunlight. Meteors are an exception. They are so tiny that disappear in light emitted from sun.
Coz light not only reflect but also refracted. There is a lot of light pollution where I am and still, Jupiter is the brightest star in the sky right now. I did not need a telescope as this article indicated. Save my name, email, and website in this browser for the next time I comment.
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