The findings emerged from the TIFR GMRT Sky Survey (TGSS), which mapped about 90% of the sky and proved ideal for spotting vast radio-emitting structures billions of light-years away.
The 21st edition of the exhibition has transformed Cottesloe Beach into a sprawling outdoor gallery, featuring 70 sculptures by artists from eight countries.
According to the FBI, investigators arrested 10 people across several states while an 11th suspect, who had previously been deported to India, was also charged.
