How Arizona put Pluto on the map 95 years ago today
Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...
Lansing State Journal29d
Pluto was discovered 95 years ago. Where you can view the non-planet in Michigan
In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all the criteria for full planet status. Pluto was discovered 95 years ago on Feb. 18 ...
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Here’s Why Pluto Isn’t a Planet and Why That Was Once Controversial
Back in 2006 our Solar System lost a planet, not because it disappeared, but because it was reclassified. Pluto, now considered a dwarf planet, failed one of the three tests the International ...
Dawn probe
Today NASA said that the Dawn spacecraft has fallen out of contact with Earth, presumably because it’s run out of the thruster… Read More The once-mysterious bright spots shining on the surface of the ...
What Makes Pluto So Intriguing
“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...
AZ Central29d
How Arizona put Pluto on the map 95 years ago today
The International Astronomical Union reclassified Pluto as a dwarf planet because it does not clear its orbit of other debris. Pluto was the little planet that could — until it couldn’t.