Teleios, a supernova remnant with perfect symmetry, was discovered using ASKAP. Its properties suggest a Type Ia origin and call for further high-resolution observation.

make some nature in a pattern using reflective symmetry." We could do a butterfly. Hannah: Yeah, butterfly. Hannah: Angela, we finished. Angela: Wow, girls, this looks amazing! That's a perfect ...

Hannah and Maya arrive at Backwell Lake to meet Angela, who sets them a challenge to help discover the symmetry of the natural ... And it's so good to be in all this nature because it's so good ...

Of course, one thing nature does provide is ... literal mirror images. However, symmetry photography doesn't have to be ...