"By looking at and understanding the properties of El Gordo, we're able to understand the time evolution of the structure formation of the Universe, " Prof Hughes told BBC News.

BBC: 'El Gordo' is largest distant galaxy cluster ever seen

In an English-language class, Mohammad Bakhtiari stood in front of his pupils and discussed the architecture of the language: sentence structure, the formation of paragraphs, the conjugation of verbs.

NEWYORKER: After America

We will be able to look at things like new solar systems in formation and particularly the structure of so-called 'protoplanetary discs, ' where we believe a star is growing in the middle and planets are forming around the outside.

CNN: Telescope set to reveal 'Big Bang'

The pattern in this light acts as a kind of proxy for the history of star formation, and therefore a history of structure in the cosmos.

BBC: Science & Environment