Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. Constellations are patterns of stars visible in the night sky. B. For instance, Orion is one of the most easily recognisable constellations. C. In addition, these star patterns have been used for navigation since ancient times. D. Therefore, they hold both scientific and cultural importance even today.

1. DCAB
2. ABCD
3. ABDC
4. ACBD