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Facts About Our Solar System

Planets, their moons, asteroids and comets in our solar system all orbit or rotate around the Sun in a circle, with some such as Mercury, Venus and Mars orbiting within its confines; Jupiter, Saturn, Uranus and Neptune orbit further out and are solid balls of rock and metal. Astronomers still have much to learn about […]

The Closest Planet to Earth Outside Our Solar System

Earth / star planete

Astronomers on a search for extraterrestrial life have located “Earth’s twin” outside our solar system – Proxima Centauri b – orbiting its nearest star. Scientists discovered the planet by tracking how its host star’s light reflects off of it; its host star lies only 11.2 days away, making this world potentially habitable. Proxima Centauri Proxima

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