The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across.
It destroyed the Russian economy, but freed many nations that were behind its Iron Curtain. But thanks to Vladimir Putin, the Russian economy is doing better than it has been in many years. Oh, it also "ended" the Cold War.
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If lava cools slowly and does not move too fast it forms smooth ropy lava called pahoehoe.
However, if it cools quickly and moves fast it can tear into clinkery pieces called a'a
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Russia, the world's largest country (by total area), comprises much of northern Eurasia, and stretches over a vast expanse of Europe and Northern Asia.[1] Due to its size, Russia displays both monotony and diversity. As with its topography, its climates, vegetation, and soils span vast distances.[2] From north to south the East European Plain is clad sequentially in tundra, coniferous forest (taiga), mixed and broadleaf forests, grassland (steppe), and semi-desert (fringing the Caspian Sea) as the changes in vegetation reflect the changes in climate. Siberia supports a similar sequence but is predominantly taiga. The country contains forty UNESCO biosphere reserves
