Stop describing a planet as 'Earth-like' unless it really is

The discovery of a new, possibly habitable alien planet is always met by media coverage marked by sweeping pronouncements about our place in the universe, and even *gasp* alien life.
Wednesday's announcement of a newfound, possibly Earth-sized planet in a potentially habitable orbit around a star not far from our sun threw that kind of breathless coverage into overdrive. 
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Publications declared it what could b