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Irish Sign Language STEM Glossary

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The star at the center of our Solar System. Our Sun is a 4.5 billion-year-old star – a hot glowing ball of hydrogen and helium. Without its energy, life as we know it could not exist here on Earth. The Sun is the largest object in our solar system, accounting for 99.8% of our solar system’s mass. The Latin word for Sun is Sol.

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