Lighter earth
Planet earth is slightly lighter than previously thought--it's mass is 5.972 sextillion tonnes (that's 5.972followed by 18 zeroes) and not 5.978 sextilliton tonnes, according to scientists at
Planet earth is slightly lighter than previously thought--it's mass is 5.972 sextillion tonnes (that's 5.972followed by 18 zeroes) and not 5.978 sextilliton tonnes, according to scientists at