Galaxies Expand As They Emit Light
Galaxies emit light. According to Einstein’s Theory of Relativity, the radiation energy is equivalent to mass. This means that galaxies lose mass. Therefore, their gravitational binding weakens and…
Fritz Zwicky Olaf Stapledon Leonid Shkadov Galaxies Expand As They Emit High Resolution Spectrograph European Extremely Large Telescope
Source: medium.com