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Alpha Centauri
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Interactive infographic comparing the Sun with the stars of Alpha Centauri. Proxima Centauri b Star field in deep space with one star, Alpha Centauri A, highlighted by a red circle near the center of the image.
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View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
Ursa major constellation illustration art. (Big Dipper) stars, space, night sky)
Stars: Explosions in Space
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
Brightest Star in the Solar System
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
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Alpha Centauri: Media

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Images

Proxima Centauri b
Artist's impression of the surface of Proxima Centauri b, one of the closest extrasolar...
ESO/M. Kornmesser
Alpha Centauri
The circled star is Alpha Centauri A, one of the nearest stars to Earth, at a distance...
NASA/JPL-Caltech

Interactives

The Stars of Alpha Centauri Compared with the Sun
Explore the differences between the solar system's star and those of its closest...
Encyclopædia Britannica Inc.