The Sun’s main body consists of hydrogen (about 73%). The second main constituent (about 25%) is ________?

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The Sun’s main body consists of hydrogen (about 73%). The second main constituent (about 25%) is ________? Answer: Helium

The Sun is primarily composed of hydrogen (~73%) and helium (~25%), with small amounts of heavier elements. These gases undergo nuclear fusion in the Sun’s core, producing the immense energy and light we receive on Earth.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.