sun 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..tải-sunwin
The Sun is a 4.5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system. It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star. Without the Sun’s energy, life as we know it could not exist on our home planet.tải-sunwin-app-store
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.