What is the reflectivity of the sun?

The Sun, the creator of weather, has been burning brightly at the center of the solar system for billions of years. At its core, temperatures reach 27,000,000°F (15,000,000°C). Countless hydrogen nuclei collide with each other to form helium nuclei and generate huge energy, most of which is released from the sun at a rate of 1027 calories of heat per minute.

The Earth receives only about one-billionth of the total energy released by the Sun, in part because the two stars are approximately 93,000,000 miles (150,000,000 kilometers) apart. This is partly because the Earth's surface area is relatively small. The remaining energy is lost in the universe. The energy that reaches Earth, however small it is, is enough to heat the planet, which sustains life and powers the atmosphere to create weather as we know it.

The Earth absorbs different wavelengths of the solar spectrum. Some is shortwave energy from visible light. Some is UV energy necessary for plants to grow through photosynthesis. Once this energy is absorbed, some of it is reflected back into the atmosphere and into space by the Earth's surface and everything on it. The ability to reflect solar energy is called reflectivity.