Page 36 - The Glory in the Heavens

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. ... He knows what is in the heavens and what is

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o on earth. Allah has power over all things. (Surah

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Al 'Imran: 29)
Now let's return to our topic and try to learn
more about the galaxies.
In galaxies of average or large size, there exists a
galactic centre. Around the galactic centre are arms
rotating at immense speed. These arms are made up
of stars, gas and dust clouds.
With their arms and centres, galaxies are the
biggest celestial bodies in space. These giant celestial
bodies also form clusters of celestial bodies. There are
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thousands of galaxies in some galactic clusters.
Moreover, these galactic clusters form other clusters of
celestial bodies. This regular clustering goes on and
on, getting bigger and bigger.
Now let's go over what we have seen so far:
- Galaxies are composed of billions, even trillions
of stars.
- The big and average galaxies have galactic cen-
tres.
- The galaxy has arms made up of stars, gas and
dust clouds. These arms spin around the galactic
centre at great speed.