Indian astronomers have performed a multiwavelength study of a gamma-ray emitting compact symmetric object known as DA 362.

Ethan’s mum has prepared a selection of objects for him to practise on. Three questions of increasing difficulty challenge us to identify the line or lines of symmetry, while we learn that some ...

To win the Symmetry Medal, Ethan has to be able to find the line of symmetry on an object and karate chop it down that line. Like that. Well done Ethan. VO: The line of symmetry is the imaginary ...