The light that stars emit actually reveals information about their past

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 The light that stars emit actually reveals information about their past. We don't see stars as they are right now, but rather as they were when their light first began to move towards us since light takes time to travel through space.

يكشف الضوء الذي تنبعث منه النجوم عن معلومات حول ماضيها. نحن لا نرى النجوم كما هي الآن ، ولكن بالأحرى كما كانت عندما بدأ ضوءها يتحرك نحونا لأن الضوء يستغرق وقتًا للسفر عبر الفضاء.







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