European Space Agency (ESA) astronomers in the Gaia Milky Way project amount of life map of the sun.
Gaia’s main task is to map the Milky Way. Astronomers track the position and movement of stars in the sky while making detailed observations of the brightness and spectral classification of each star. These values can be used to determine factors such as the chemical composition and temperature of stars that can be used to estimate the age of a star.
The mass of a star stays the same with age, but the temperature changes. This value is due to nuclear fusion occurring in the stellar core and increases as the star approaches death.
The Sun is classified as a yellow dwarf that is about 4.57 billion years old and has a surface temperature of 5772 Kelvin. Astronomers have studied similar stars with temperatures as low as 3,000 to 10,000 kelvins. Such stars tend to be smaller and live longer.
Identifying the stars most similar to the Sun, astronomers calculated the time of death. The temperature of the Sun will peak at about 8 billion years old, after which it will transform into a red giant star between 10 and 11 billion years old. Eventually, the star will consume the hydrogen needed for core fusion and die.
According to astronomers, the Sun’s brightness increases by about 10% every billion years. It also increases the temperature of the star and the Earth – such changes will make our planet uninhabitable.
Formerly NASA reportedArtemis I, who will launch the first biological space mission.
Source: Gazeta
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