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An interstellar visitor may have changed the course of 4 solar system planets, study suggests
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
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The rare “alignment” of planets that will be visible in 2025
The year 2025 will be amazing for astronomy enthusiasts, with several planetary alignments predicted. The most significant ...
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Earth-size planet found orbiting nearby star that will outlive the sun by 100 billion years
Astronomers have discovered an Earth-size planet that is showered with so much radiation, its atmosphere eroded away long ago ...
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Two new planets 8-times the size of Earth could support life — and they're right next-door
Scientists have found two new habitable planets, nearly 8 times the size of Earth, that don’t orbit a ‘Goldilocks’ star. These are the closest candidates to Earth to support human life on ...