The sun is a boring star, but it is the best.

The researchers said that the sun is an apparently much less active star than similar stars, in terms of changes in brightness resulting from sunspots and other phenomena, describing them as “dull” in character, but perhaps the best option for people in the Earth.
On Thursday, the researchers said, a survey of 369 sun-like stars in terms of surface temperature, size and time of rotation around the axis (the sun’s rotation takes about a day and a half around its axis) showed that the change in brightness in other stars exceeds its counterpart five times on average.
“This change is caused by dark spots on the star’s surface during rotation,” said Timo Reinhold, a researcher at the Max Planck Institute for Solar System Research in Germany and a research leader published in the journal Science. He added: “The number of sunspots on the surface is a direct measure of solar activity.”
Reuters reported that the sun is essentially a hot ball of hydrogen and helium, which is a medium-sized star that formed more than 4.5 billion years ago and now has almost half its lifespan. The diameter is approximately 1.4 million km, while its surface temperature is approximately 5500 ° C. Reinhold said: “The temperature and duration of rotation around the axis are believed to be the main components of the dynamo within of the star, which generates its magnetic field and, ultimately, the number and size of the points that cause the brightness to change. The presence of such stars with measurements very similar to our sun, but is five times more variable than which is surprising. “
The increased magnetic activity associated with sunspots can cause solar flare waves, massive plasma and magnetic field emissions from the outer edge of the sun’s atmosphere, and other electromagnetic phenomena that can affect Earth. For example, satellites and communications can be affected and endanger astronauts.
The monotony of solar activity can be a good thing. Reinhold says: “Having a star (more active than necessary) would definitely change living conditions on the planet, so living with a very boring star is not the worst option.”