A razor-thin spike of radio light, tuned to a wavelength of about 18 centimeters, just traveled more than 8 billion light-years and still arrived loud enough to stand out in MeerKAT’s data. That ...
Three enormous and peculiar radio light rings were discovered far, far outside our own galaxy, shedding more light on one of the enigmas that have long perplexed astronomers. The find was reported by ...
When astronomers first started finding “odd radio circles,” or ORCs, they were baffled. These faint, ghostly rings of radio light seemed to float in deep space, surrounding galaxies like cosmic smoke ...