Ergebnis für "Pluto" in Wissenschaft & Technik

The solar system most of us grew up with included nine planets, with Mercury closest to the sun and Pluto at the outer edge. Then, in 2005, astronomer Mike Brown made the discovery of a lifetime: a tenth planet, Eris, slightly bigger than Pluto. But instead of its resulting in one more planet being added to our solar system, Brown’s find ignited a firestorm of controversy that riled the usually sedate world of astronomy and launched him into the public eye.

On July 14, 2015, something amazing happened. More than three billion miles from Earth, a small NASA spacecraft called New Horizons screamed past Pluto at more than 32,000 miles per hour, focusing its instruments on the long-mysterious icy worlds of the Pluto system, and then, just as quickly, continued on its journey out into the beyond.

Unsere galaktische Heimat - ein Sonnensystem in einem Spiralarm der Milchstraße - wird immer genauer erforscht. Jeder der acht Planeten hat bereits Besuch von Sonden der Erde erhalten...