How to determine its luminosity by the radiation of the Sun near the Earth’s surface?

At least 55% of the volume of Jupiter’s moon Io is free sulfur. The surface of this cosmic body is covered with solid sulfur, and under the crust there may be whole pools of molten sulfur.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.