Milky Way Behind Three Merlons

Posted on August 8, 2024  •  1 minutes  • 107 words

图文来源自：nasa. copyright: Donato Lioce

To some, they look like battlements, here protecting us against the center of the .The Three s, also called the , stand tall today because they are made of dense dolomite rock which has better resisted than surrounding softer rock.They formed about and so are comparable in age with one of the of life on .A leading hypothesis is that this great was triggered by an about 10-km across, larger in size than , impacting the Earth. have gazed up at the stars in the and beyond for centuries, making these battlefield-like formations, based in the , a popular place for and .