Why would a hotter star appear blue-white while a cooler star appear red or not be visible at all?

Kariane Schamberger asked a question: Why would a hotter star appear blue-white while a cooler star appear red or not be visible at all?
Asked By: Kariane Schamberger
Date created: Sun, May 2, 2021 7:02 PM

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Top best answers to the question «Why would a hotter star appear blue-white while a cooler star appear red or not be visible at all»

Basically, the bluer the star's radiation, the hotter its surface will be. Why would a hotter star appear blue-white while a cooler star appear red or not be visible at all? ... The hotter the star the shorter the wavelength it peaks at. A star that emits light across the entire visible spectrum would appear white.

FAQ

Those who are looking for an answer to the question «Why would a hotter star appear blue-white while a cooler star appear red or not be visible at all?» often ask the following questions:

❗ Explain why a cooler star could actually appear brighter than a hotter star?

A cooler star could actually appear brighter than a hotter star because in is not just about the temperature is also depends which one is closer or further away from Earth. Therefore if a cooler star was closer to Earth than a hotter star then the cooler one would appear brighter.

❗ A star much cooler than the sun would appear?

Red

❗ Are blue-white stars hotter or cooler than red stars?

Red stars are the coolest. Yellow stars are hotter than red stars. White stars are hotter than red and yellow. Blue stars are the hottest stars of all.

Your Answer

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Would you expect the mantle to be hotter or cooler than the inner and outer cores?

I expect for the mantle to be cooler

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Are white cars cooler?

  • It has to do with reflection. White and other cool colors, such as light blues and silvers, are better at reflecting wavelengths of light, or heat. If you had a white and black car side by side on a sunny day, and measured the interior temperatures, the white car would be cooler, but only by a few degrees.

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Are white roofs cooler?

  • During the hottest point in the day inside the building (5:00pm), a white roof is 8.49% cooler (more energy efficient) than a non-white roof. During the maximum internal temperature increase hours of 7:00am – 5:00pm, a white roof is 6.97% cooler (more energy efficient) than a non-white roof.

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Why a white cooler?

  • It has to do with reflection. White and other cool colors, such as light blues and silvers, are better at reflecting wavelengths of light, or heat. If you had a white and black car side by side on a sunny day, and measured the interior temperatures, the white car would be cooler, but only by a few degrees.

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Are sunspots hotter or cooler than normal sun?

  • Because sunspots are cooler than the rest of the sun's surface, they look darker. At the same time, the hot gases blocked by these sunspots flow into the areas around them, making those areas even hotter and brighter than normal. This contrast makes sunspots stand out even more.

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Is it hotter or cooler at the beach?

When the land heats up, the air above it heats up as well. On the other hand, the ocean heats up and cools down relatively slowly. Therefore, areas near the ocean generally stay cooler during the day and have a more moderate temperature range than inland areas.

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What causes summers to be hotter or cooler?

  • During the summer, the sun’s rays hit the Earth at a steep angle. The light does not spread out as much, thus increasing the amount of energy hitting any given spot. Also, the long daylight hours allow the Earth plenty of time to reach warm temperatures.

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When does cooler appear in dragon ball heroes?

  • Cooler is playable in this state in Super Dragon Ball Heroes, introduced in the second mission of the Universe Mission series (UVM2). In World Mission , an anomaly in Age 764 of the SDBH game world results in Cooler possessing the form when he appears to confront the DBH Team after they defeat Mecha Frieza and King Cold.

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Which star is cooler polaris or regulus?

i think polaris

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Which star is cooler than the sun?

barnard's star

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Are white motorcycle helmets cooler?

helmet cooler cooler camera

White helmets should not only be cooler in heat, but the added benefit of visibility is better than any color helmet.

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Do white cars stay cooler?

A light-colored shell reflects more sunlight than a dark car shell… The cooler the color, the cooler the cabin air, and the less of a need to run your air conditioner.

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Are blue stars cooler than red stars?

No, blue stars are hotter than red stars. In other words, red stars are cooler. Think of it as fire. The red one is hot, but the blue flame is RAGING hot.

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Are red stars cooler than blue stars?

yes they are, in fact, white stars a hotter than blue or red star, and blue stars are varie in sizes, red stars are usually mid size or red giants or super giants. the bigger they are does not mean they are hotter!

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Are sunspot hotter or cooler than the surrounding areas?

Cooler.

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Are sunspots cooler or hotter on the suns surface?

they are cooler

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Are sunspots cooler or hotter than rest of sun?

  • Sunspots are cooler than the rest of the Sun, but many scientists think that when there are a lot of sunspots, the Sun actually gets hotter. This affects the weather here on Earth, and also radio reception.

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Do clouds become hotter or cooler as they rise?

they rise heat rises

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Is earths mantle hotter or cooler than the crust?

The mantle is hotter than the crust.

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If the sun becomes a red star billions of years from now will it be cooler or hotter than it is now?

It will be cooler but much larger.

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What color star is cooler than the sun?

Red

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What happens to cooler in team four star?

  • Eventually the two Super Saiyans destroy Meta-Cooler, only to be besieged by an army of countless Meta-Coolers created by the Big Gete Star, and taken aboard said Star to have their energy drained. Goku and Vegeta also come face to face with what remains of Cooler's original organic head, now merged with the Big Gete Star.

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Which is cooler jurassic park or star wars?

Jurassic Park definitely. Totally Jurrasic Park!

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Why does an expanding giant star become cooler?

Energy is absorbed in expanding and lifting the gas.

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