ORCs are vast, faint rings of radio energy that surround galaxies and can be detected only in radio wavelengths of the electromagnetic spectrum. They are made up of fast-moving, magnetized plasma.
A 50-million-light-year-long flow of hydrogen gas has been observed linking two tiny galaxies 50 million light-years away, ...
Galaxy classification has long been based on their visible appearance, creating well-defined categories. Spiral galaxies like our Milky Way display a flat disk structure with characteristic ...
A giant cosmic mystery just got bigger. Astronomers have spotted the most distant and most powerful “odd radio circle” (ORC) ever recorded, deepening the puzzle of these rare celestial rings.
A Rutgers-led team of scientists has uncovered evidence of how galaxies expand by tracing the invisible scaffolding of the universe created by a mysterious substance known as dark matter. "Analyzing ...