What shape is the Neolithic observatory located in Goseck, Germany?

Here is the question :

WHAT SHAPE IS THE NEOLITHIC OBSERVATORY LOCATED IN GOSECK, GERMANY?

Here is the option for the question :

• Square
• Triangle
• Circle
• Rhombus

The Answer:

And, the answer for the the question is :

Explanation:

[STC0018221]. The mysterious Goseck Circle, also known as the Goseck Sun Observatory, was erected approximately 4900 BCE. Up to 4700 BCE, it is thought that the circle was used for ritualistic, sacrilegious, and celestial observational reasons. In a plain wheat field, The Goseck Circle was uncovered in 1991. It was dug up in the 2000s, and in 2005 it was made public.