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Temperature magnitude refers to the measurement of temperature, typically expressed in degrees Celsius, Fahrenheit, or Kelvin. It quantifies the thermal energy of a substance, indicating how hot or cold it is. The magnitude can influence various physical and chemical processes, affecting everything from weather patterns to the behavior of materials. Understanding temperature magnitude is essential in fields such as meteorology, engineering, and environmental science.
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What are stars with low magnitude low temperature and low absolute magnitude?
This probably refers to red dwarves. The apparent magnitude depends on the distance, as well as the absolute magnitude, but even the closest red dwarves can't be seen with the naked eye.
Examples of scalar quantities?
length,area,volume,speed,mass,density,pressure,temperature,energy,entropy work,power & charge.
A graph that shows the relationship between the stars absolute magnitude and temperature is what?
A graph that depicts the relationship between stars' absolute magnitude and temperature is known as the Hertzsprung-Russell (H-R) diagram. This diagram classifies stars based on their luminosity (or absolute magnitude) and surface temperature, revealing distinct groups such as main sequence stars, giants, and white dwarfs. It illustrates how temperature influences a star's brightness and helps in understanding stellar evolution.
How are the brightness and temperature related?
brightness and temperature are both related because brightness is actually tempature. However the system has become more refined. Instead of just looking at the star and determining magnitude one or magnitude two, an astronomer measures the brightness of the star using a device called a photometer. The photometer counts the number of photons coming from the star. This photon count is then compared to the photon count from a star whose magnitude is known. An accurate magnitude can then be calculated.
What types of star is the sun what is its surface temperature What is its magnitude?
The Sun is classified as a G-type main-sequence star (G dwarf). Its surface temperature is approximately 5,500 degrees Celsius (about 5,800 Kelvin). The Sun has an apparent magnitude of about -26.74, making it the brightest object in the Earth's sky.
What is true about the absolute magnitude and temperature of supergiant stars?
Absolute magnitude: they are extremely bright. Temperature: their surface temperature is fairly low.
How does a star's temperature affect its absolute magnitude?
The absolute magnitude of a start will increase both:* If its surface temperature increases, and * If its diameter increases.
Varying cause wind?
temperature or magnitude
What quantity has a magnitude but no direction?
scalar
Is temperature a scalar quantity?
No, temperature is a scalar quantity. It only has magnitude and no direction.
Is a scalar just magnitude?
Yes, a scalar is a quantity that has only magnitude and no direction. Scalars are described solely by their size or magnitude. Examples include temperature, mass, and speed.
Is a quantity which posseses magnitude but not direction?
Scalar quantity is a quantity that possesses magnitude but not direction. Examples include mass, temperature, and speed.
What is a value that only has magnitude?
A scalar is a mathematical quantity that has magnitude but no direction, such as temperature or speed. Scalars are represented by a single numerical value.
What is a graph that shows relationship between a stars magnitude and temperature?
The Hertzsprung-Russell (HR) diagram is a graph that shows the relationship between a star's magnitude (luminosity) and temperature. It plots stars based on their color (temperature) and brightness (magnitude), allowing astronomers to classify stars and understand their evolutionary stage.
What are stars with low magnitude low temperature and low absolute magnitude?
This probably refers to red dwarves. The apparent magnitude depends on the distance, as well as the absolute magnitude, but even the closest red dwarves can't be seen with the naked eye.
Which out of acceleration age speed temperature and velocity are vector quantities?
Acceleration and velocity are vector quantities because they have both magnitude and direction. Speed and temperature are scalar quantities because they only have magnitude.
Is temperature gradient a vector or scalar?
Temperature gradient is a vector quantity. It represents the rate of change in temperature with respect to position and has both magnitude and direction.
