The earth rotates more slowly on its axis in March than in September.
145
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
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