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The measure of a star's brightness is its magnitude. A star's brightness as it appears from Earth is called its Apparent Magnitude.
Star's brightness is measured by there magnitude.
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What is the measure of a stars brightness?
Magnitude.
What the measure of a stars brightness called?
The measure of a star's brightness is its magnitude. A star's brightness as it appears from Earth is called its Apparent Magnitude.Star's brightness is measured by there magnitude.
What is the device that measured Surface brightness?
A photometer is a device used to measure surface brightness. It detects and quantifies the amount of light emitted by a surface, typically in astronomy to measure the brightness of stars and galaxies.
What is an astrometer?
An astrometer is a device designed to measure the brightness, relation, or apparent magnitude of stars.
Do stars have the same brightness and sizes?
No. Stars vary greatly in size and brightness.
A measure of a stars brightness is called its?
Magnitude. First magnitude descibes many bright stars, and a span of five magnitudes represents a difference of a hundred times in the star's brightness. The dimmest stars seen by a perfect human eye in perfect conditions is 6th magnitude.
How do you find an exoplanet?
Scientist use extremely powerful telescopes and machines to measure the brightness of stars. If a planet were to pass in front of the star than the stars brightness may dip by 1/1000th of a percent. The telescopes are so powerful that they are able to measure this dip and thus allow scientist to detect exoplanets.
Who developed the first system to measure a stars brightness?
It was on a Quantitative scale by the Greek astronomer Hipparchus around 130 BC.
Which two groups of stars can have similar brightness?
Variable stars and main sequence stars can have similar brightness. Variable stars, like Cepheid variables, can fluctuate in brightness over time, while main sequence stars maintain a relatively stable brightness due to their fusion processes.
What units of measurement do you measure the brightness of stars?
there are two separate ways that astronomers measure the brightness of a start, there is actuall and aparent brightness. In apparent brightness, the measure how bright it looks to all the humans on Earth. However, the actual brightness of a star is different. Say a star is really, really bright, but really far away. That star would look preety dim. Or if a star is not so bright, but really close, like the Sun. The actuall brightness of a star is harder to measure, but is possible by use of waves and stuff like that, I don't know too much about actuall brightness
What is a stars brightness known as?
A star's brightness is known as its magnitude. Stars with lower magnitude numbers are brighter than stars with a higher magnitude number.
Temperature and brightness of stars are indicated by what?
Temperature of stars is indicated by their color, with blue stars being hotter than red stars. Brightness of stars is indicated by their luminosity, which is how much light a star emits.
