A distinctive cross-shaped constellation best seen in the northern hemisphere during the summer and fall months around September is:
Show answer & explanation
Correct answer: C
Explanation
The correct answe ris option 3 i.e. Cygnus.
The distinctive cross-shaped constellation best seen in the northern hemisphere during the summer and fall months around September is Cygnus, also known as the Northern Cross. Cygnus is prominent in the night sky from June to October, with its brightest star, Deneb, forming one of the vertices of the Summer Triangle asterism. The constellation resembles a swan in flight and is situated along the Milky Way, making it a favorite among stargazers for its shape and visibility during these months.