Latest M87 Stories
A gigantic sonic boom generated by a supermassive black hole has been found with NASA's Chandra X-ray Observatory, along with evidence for a cacophony of deep sound.
Word of the Day
- Having a loud voice; vociferous; clamorous.
- Of grand or imposing sound.
The word 'megalophonous' comes from Greek roots meaning 'big' and 'sound'.