Physics Middle School

How is it possible for white dwarf stars to have lower luminosity than the sun even though the sun is cooler than white dwarfs?

Answers

Answer 1

The size of a white dwarf is small.

Explanation: So luminosity is also low.

Answer 2

Answer:

It might be smaller or bigger

Explanation:

Related Questions

What is a star? What is our biggest and closest star?
(Btw i wasn't sure if this was Physics.)

Answers

Answer:

A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night, but due to their immense distance from Earth they appear as fixed points of light in the sky

Explanation:

Can someone help answer question 8?

Answers

Star A - (color) red-orange (type) main sequence

Star B - (color) yellow (type) supergiant

Star C - (color) blue-white (type) white dwarf

Star D - (color) yellow (type) main sequence

*im pretty sure these are correct if I remember clearly*

Answer:

A- Orange-main sequences

B- Red-red supergiant

C- White-White dwarf

D- Yellow-Red giant

Explanation: there's picture on the internet

'star types chart' 'star types and sizes'

The range of wavelengths present in the different types of electromagnetic radiation is called the electromagnetic spectrum. The electromagnetic spectrum is illustrated in the diagram provided. Different portions are labeled. Which portion has the longest wavelengths?

Answers

Answer:  C is the answer

Explanation:

In the given diagram Portion C has the longest wavelengths.

What is the electromagnetic spectrum?

The electromagnetic spectrum is the range of all types of electromagnetic radiation. Electromagnetic radiation is a form of energy that travels through space in the form of waves. This energy is produced by the movement of electric and magnetic fields, and it includes a range of wavelengths and frequencies.

The electromagnetic spectrum includes a wide variety of types of electromagnetic radiation, ranging from low-energy radio waves to high-energy gamma rays.

The different regions of the electromagnetic spectrum include radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

Each region of the electromagnetic spectrum has its own unique properties, such as its wavelength, frequency, and energy.

For example, radio waves have long wavelengths, low frequencies, and low energies, while gamma rays have short wavelengths, high frequencies, and high energies. The different types of electromagnetic radiation have different applications in areas such as communication, medicine, and astronomy.

Therefore, The correct option is portion C having the longest wavelengths.

To learn more about  electromagnetic waves click:

https://brainly.com/question/29774932

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