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The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma,[18][19] with internal convective motion that generates a magnetic field via a dynamo process.[20] It is by far the most important source of energy for life on Earth. Its diameter is about 1.39 million kilometers (864,000 miles), or 109 times that of Earth, and its mass is about 330,000 times that of Earth. It accounts for about 99.86% of the total mass of the Solar System.[21] Roughly three quarters of the Sun's mass consists of hydrogen (~73%); the rest is mostly helium (~25%), with much smaller quantities of heavier elements, including oxygen, carbon, neon, and iron.[22]
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The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma,[18][19] with internal convective motion that generates a magnetic field via a dynamo process.[20] It is by far the most important source of energy for life on Earth. Its diameter is about 1.39 million kilometers (864,000 miles), or 109 times that of Earth, and its mass is about 330,000 times that of Earth. It accounts for about 99.86% of the total mass of the Solar System. [21] Roughly three quarters of the Sun's mass consists of hydrogen (~73%); the rest is mostly helium (~25%), with much smaller quantities of heavier elements, including oxygen, carbon, neon, and iron.[22]
Мене звати Волкова Іванна. Найбільші мої захоплення – це читання, подорожі, танці, гра на музичних інструментах (фортепіано, окарина, сопілка), спорт. Я захоплююсь катанням на лижах, ковзанах, роликах та велосипеді. Дуже люблю плавати, роздивлятися підводний світ з маскою, веслувати в каяку і на сапі. Регулярно відвідую школу робототехніки, Гете-інститут та заняття з айкідо.