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Mohammad 🎭🎩
@mohammed1990
Halley's Comet is visible to the naked eye from Earth once every 75-76 years. But before studying this comet, scientists did not know that comets can have a regular orbit. Have you ever seen a comet in the night sky?
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Hessam
@hessamalimi
The starry night without the comet is also beautiful🎭
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