> At a million tonnes of mass driven out of the Earth's gravity well per second, this would take 189,000,000 years. I love how this takes an incomprehensibly l

> At a million tonnes of mass driven out of the Earth's gravity well per second, this would take 189,000,000 years. I love how this takes an incomprehensibly large number (mass of the earth) and decomposes it into 3 exceptionally large but kind of comprehensible numbers (million tones / second, 30 million seconds / year, 189 million years). The earth is _big_.