Galaxy cluster motions support standard gravity on cosmic scales and challenge MOND in a major new cosmology test. Gravity behaves predictably in your daily life. Drop a ball, and it falls. Planets loop around stars. On paper, the same rules should also govern matter spread across the universe. But the farther astronomers look, the more that certainty gets tested... [7514 chars]
2026 Copyright © News-Matic.com. All Rights Reserved
