The Sun’s size may be slightly smaller than standard estimates suggest. American astrophysicists from the University of Cambridge came to this conclusion. The study was published in the scientific journal magazine Astrophysics.
Since the 1970s, it has been generally accepted that the radius of our star is 695 thousand 990 kilometers. However, in the 1990s, scientists suggested that the actual size of the star was between 0.03% and 0.07% smaller than this figure. This has been shown by examining waves on the sun’s surface.
Their hypothesis was confirmed by a recent study showing that the actual radius of the Sun is 695 thousand 780 km and its diameter is 1 million 391 thousand 560 km. Although the difference is only one hundredth of a percent, this is more precise and important for future research. Without precise measurements, astrophysicists can reach erroneous conclusions about subtle elements of a star’s internal structure.
Knowing the Sun’s properties is also necessary to better predict magnetic storms that could affect satellites and telecommunications on Earth.
Previously Russian geophysicist guess A dangerous solar storm that occurs once every century.
Source: Gazeta
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