At night, when Sana's eyes fell on the sky, the stars were shining brightly - Sana kept looking at these stars for some time, then she asked her father why they shine at night. Daughter, the stars shine even during the day, Sana asked in surprise, but Abu Jaan, the stars are not visible during the day. Where does it go at night - Abu Jan said, look, the daughter does not go away, however, when our earth revolves around it, the part of the earth that comes in front of the sun becomes day due to the light of the sun. It is not in front of it, the light does not reach, so it becomes night in this part - Abu Jaan, at night the moon also shines like the stars, then why does it look so much bigger than them - Abu said while sitting next to Sana. Said yes as if our daughter - today wants to know about the universe - daughter moon looks bigger due to its proximity to our earth
When the stars are at a great distance from the Earth, they appear as tiny points of light, in fact, the stars are many times larger than the Moon and our Earth itself.
Our Earth is a planet and the Moon is a sub-planet.The diameter of the Moon is a quarter of the diameter of the Earth and the Sun is several times larger than the Earth - while the stars are much larger than the planets and produce their own light and heat. - Planets do not have their own light, but shine by receiving light from the stars - just as our Earth and Moon receive light from the Sun and shine.
Apart from this, the planets are constantly rotating in their own orbits - our earth is constantly rotating in its orbit around the sun and completes one cycle in about three hundred and sixty five days - this is called a solar year - similarly. The moon also revolves around our earth and completes one cycle in about 29 days - a lunar year is completed in twelve months according to the moon's rotation.
The moon reflects the sunlight to the earth - the part of the moon that is exposed to the sun during its rotation gives us the same shape as the moon - that is why the moon sometimes appears small and sometimes large - 14 days later The moon becomes fully illuminated, the moon of the first date is called halal and the moon of the fourteenth is called badr
Sana found all this very interesting and she was listening to Abu's words very carefully - Abu further told that there are many other planets and asteroids revolving around the sun - small celestial bodies are called asteroids. Small bodies are called - which are said to be parts of a star that exploded hundreds of years ago.
In our universe, there are systems of stars as big as the sun. Billions of stars form a galaxy. So this universe is made very vast-
Abu was happy and said, "Absolutely, daughter, this gives us an idea of the power of Allah Almighty -
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