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An MIT study proposes that laser technology on Earth could emit a beacon strong enough to attract attention from as far as 20,000 light years away.

E.T., we’re home

Existing laser technology could be fashioned into Earth’s “porch light” to attract alien astronomers, study finds.

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Rendering of the gas velocity in a thin slice of 100 kiloparsec thickness (in the viewing direction), centered on the second most massive galaxy cluster in the TNG100 calculation. Where the image is black, the gas is hardly moving, while white regions have velocities that exceed 1,000 kilometers per second. The image contrasts the gas motions in cosmic filaments against the fast chaotic motions tr...

Modeling the universe

MIT's Mark Vogelsberger and an international astrophysics team have created a new model pointing to black holes’ role in galaxy formation.

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