Physics
Why this is a golden age for life to thrive across the universe
Almost all the stars that will ever exist have already been born, and they have been around long enough for life to evolve on planets that orbit them
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Almost all the stars that will ever exist have already been born, and they have been around long enough for life to evolve on planets that orbit them
Gravitational waves can be lensed by massive galaxies so that they repeat, like an echo. Scientists are now readying to snare their first one and explore the cosmic secrets it holds