UNIVERSE
SOLAR SYSTEM FORMATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a massive ball of gas in outer space that gives off heat, light, and other forms of radiation
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star
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sun
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planet
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comet
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Explanation:
Detailed explanation-1: -A star is a big ball of gas. It is not star-shaped. Stars give off heat and light.
Detailed explanation-2: -Our Sun is a 4.5 billion-year-old star – a hot glowing ball of hydrogen and helium at the center of our solar system.
Detailed explanation-3: -Nebulae are made of dust and gases-mostly hydrogen and helium.
Detailed explanation-4: -Stars produce their energy through nuclear fusion. For most stars, this process is dominated by a process called the “proton-proton chain, ‘’ a sequence of events that transforms four hydrogen atoms into one helium atom.
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