Answer:
Sun and The Moon:
Step-by-step explanation:
Sun and moon are the important element of solar system. The Sun indicates morning or day whereas, The Moon indicates night. If there is no sun we can not imagine. If there is no sun we can't get solar energy. The Sun measures 1.4 million km across, while the Moon is a mere 3,474 km across. In other words, the Sun is roughly 400 times larger than the Moon.But the Sun also happens to be 400 times further away than the Moon, and this has created an amazing coincidence.
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