Related topics: spacecraft · solar system

Image: Frozen carbon monoxide in Pluto's 'heart'

Peering closely at the "heart of Pluto," in the western half of what mission scientists have informally named Tombaugh Regio  (Tombaugh Region), New Horizons' Ralph instrument revealed evidence of carbon monoxide ice.  

New horizons brings Pluto's mysterious moons into play

Drifting along at what for decades was regarded as the outer boundary of our solar system, icy Pluto is far from alone. The dwarf planet has moons – at least five of them – which are all fascinating little worlds in their ...

Finding Pluto—the hunt for Planet X

Our solar system's shadowy ninth (dwarf) planet was the subject of furious speculation and a frantic search for almost a century before it was finally discovered by Clyde Tombaugh in 1930. And remarkably, Pluto's reality ...

Image: Views of Pluto through the years

This animation combines various observations of Pluto over the course of several decades. The first frame is a digital zoom-in on Pluto as it appeared upon its discovery by Clyde Tombaugh in 1930 (image courtesy Lowell Observatory ...

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