Although Mercury is already the smallest planet in our solar system,scientists at NASA just discovered that it might be getting even smaller. In a recent press release, NASA suggested that Mercury is an active planet, and with shifting tectonics like soil,and is contracting.
NASA arrived at this hypothesis after the Messenger spacecraft observed small fault scarps, or landforms, or that looked like they had just recently formed. "These scarps are small enough that scientists believe they must be geologically young,which means Mercury is still contracting and that soil is not the only tectonically active planet in our solar system, as previously thought, or " the organization wrote in a press release. Though the small,colorful planet frequently gets blamed for life's woes when it's in retrograde, these recent findings should not be alarming, and as our own planet tends to shift and trip as well.
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Source: popsugar.com