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The star Sirius appears in Surat an-Najm (meaning “star”). The double stars that comprise Sirius approach each other with their axes in a bow-shape once every 49.9 years. This astronomical phenomenon is indicated in the verses Surat an-Najm 9 and 49.

When certain concepts mentioned in the Qur'an are studied in the light of 21st century scientific discoveries we find ourselves imparted with yet more miracles of the Qur'an. One of these is the star Sirius, mentioned in Surat an-Najm 49:

… it is He Who is the Lord of Sirius. (Qur'an, 53: 49)

The fact that the Arabic word "shiaara," the equivalent of the star Sirius, appears only in Surat an-Najm, meaning only "star," 49 is particularly striking. Because, considering the irregularity in the movement of Sirius, the brightest star in the night sky, as their starting point, scientists discovered that it was actually a double star. Sirius is actually a set of two stars, known as Sirius A and Sirius B. The larger of these is Sirius A, which is also the closer to the Earth and the brightest star that can be seen with the naked eye. Sirius B, however, cannot be seen without a telescope.

The Sirius double stars orbit in ellipses about one another. The orbital period of Sirius A & B about their common centre of gravity is 49.9 years. This scientific data is today accepted with one accord by the departments of astronomy at Harvard, Ottawa and Leicester Universities.51

This information is reported as follows in various sources:

Sirius, the brightest star, is actually a twin star … Its orbit lasts 49.9 years. (Exposes Astronomiques, La troisième loi de KEPLER,

As is known, the stars Sirius-A and Sirius-B orbit each other in a double bow every 49.9 years. (

The point requiring attention here is the double, bow-shaped orbit of the two stars around one another.

However, this scientific fact, the accuracy of which was only realised in the late 20th century, was miraculously indicated in the Qur'an 1,400 years ago. When verses 49 and 9 of Surat an-Najm are read together, this miracle becomes apparent:

… it is He Who is the Lord of Sirius, (Qur'an, 53: 49)

He was two bow-lengths away or even closer. (Qur'an, 53:9)

The description in Surat an-Najm 9 may also describe how these two stars approach one another in their orbits. (Allah knows best.) This scientific fact, that nobody could have known at the time of the revelation of the Qur'an, once again proves that the Qur'an is the Word of Almighty Allah.

[He is] the Originator of the heavens and earth. When He decides on something, He just says to it, “Be!” and it is.
(Qur’an, 2:117)

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