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Bjarne
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How do we determinate the mass of stars (or planet) in other solar systems?
Chronos said:Interfereometry is the usual measurement method.
The mass of a star is determined through a combination of observational data and theoretical models. The most common method is to measure the star's luminosity and temperature, and then use these values to calculate its mass based on the relationship between these properties.
Astronomers use a variety of instruments to gather data about stars, including telescopes, spectroscopes, and photometers. These instruments allow them to measure a star's brightness, temperature, and other properties, which are then used to calculate its mass.
In most cases, the mass of a star cannot be directly measured. This is because stars are incredibly far away and their mass cannot be directly observed. Instead, we rely on indirect methods that use the star's properties and theoretical models to estimate its mass.
There are several factors that can affect the accuracy of determining a star's mass. These include the quality of observational data, the complexity of the star's atmosphere, and the reliability of theoretical models used to calculate the mass. Additionally, the distance of the star from Earth can also impact the accuracy of the measurement.
The mass of a star is a crucial piece of information for understanding its evolution and behavior. It can also provide insights into the underlying physical processes that occur within the star. Additionally, knowing a star's mass can help us classify and compare different types of stars, leading to a better understanding of the universe as a whole.