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Atom & Cosmos

Topic Image Rail

collage of images of planets, moons, comet

OUT-OF-THIS-WORLD LANDSCAPES  The latest generation of interplanetary spacecraft have revealed diverse landscapes on (clockwise from top left) Ceres, Enceladus, Mars, comet 67P/Churyumov-Gerasimenko, Pluto and Dione. 

Venus

HOT SPOT Venus, seen in this radar map from the Magellan spacecraft, might have once been habitable, new simulations suggest.

illustration of the distance to Proxima Centauri

Proxima Centauri, the nearest member of the Alpha Centauri triple star system, is just a little more than 4 light-years away from the sun. With a proposed propulsion scheme using alpha particle decay, travel time to the star's newly discovered planet would be no shorter than 4,000 years.

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