All About the Sun | NASA Space Place – NASA Science for Kids
sun The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies..soi-kèo-osasuna
Sankt-Peterburg (tiếng Nga: Санкт-Петербург; phát âm tiếng Nga: [ˈsankt pʲɪtʲɪrˈburk] đọc là Xanh Pê-téc-bua từ tiếng Pháp: Saint-Pétersbourg nghĩa là " Thánh Phêrô ") là một thành phố liên bang của Nga.sunwin-ios
Learn about the sun's interior, atmosphere, and solar wind, and how they produce visible light and magnetic fields. Explore the sun's layers, zones, and phenomena, such as sunspots, flares, and coronal mass ejections.