stellar mass

[ˈstɛlər mæs]
nounpl: stellar masses
massa estelar
1. The mass of a star, typically expressed in terms of solar masses (the mass of our Sun), used as a standard unit of measurement in astronomy
The stellar mass of Betelgeuse is approximately 16-19 times that of our Sun.
A massa estelar de Betelgeuse é aproximadamente 16-19 vezes a do nosso Sol.
2. A physical quantity used to classify stars and determine their luminosity, lifespan, and evolutionary characteristics
Astronomers use stellar mass to predict how long a star will remain on the main sequence.
Os astrônomos usam a massa estelar para prever quanto tempo uma estrela permanecerá na sequência principal.
This is a technical scientific term used in both Brazilian and American astronomy. It is not subject to regional variation and maintains the same meaning across all English and Portuguese-speaking countries. The term is primarily used in academic, educational, and professional astronomical contexts.
Synonyms / Sinônimos
star massmass of a star

Regional Variations

General Brazilian
massa estelar
Standard term used in Brazilian astronomy and astrophysics education
Rio de Janeiro
massa estelar
Same as general Brazilian Portuguese; used in observatories and universities
São Paulo
massa estelar
Same as general Brazilian Portuguese; common in scientific institutions
Portugal
massa estelar
Identical term used in Portuguese astronomy; maintains same meaning and usage

Related Words

solar massluminositystellar evolutionHertzsprung-Russell diagrammain sequence
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