Volcanos: The Ring Of Fire

75 percent of the active volcanoes of our planet are around the ring of fire, which is a horseshoe-shaped zone starting from South to North America, then moving towards Japan and New Zealand. Apart from the flowing molten lava, an active volcano produces avalanches of hot rocks, ash and toxic gas through superfast explosions.

The volcanic mudflows, or ‘lahars’ are capable of wiping out entire towns.

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About Volcanoes
  • Most volcanoes are formed when the boundaries of our planet's tectonic plates collide and overlap, eventually sinking deep inside.
  • Many get life by ‘hotspot volcanism’ which is the magmatic activity at the center of the tectonic plate.
  • Volcanoes have created the foundation of the land on our planet, crafting mountains, craters, soil beds and eventually making up to 80 percent of our surface.
  • About 1500 of them are active as of 2018.

The 1815 Indonesian explosion in Mount Tambora is considered the largest and deadliest known volcanic eruption, killing 10,000 people right away and about 82,000 more eventually due to starvation and disease.

Scientists closely monitor volcanoes that are near a large population for signs of probable eruption, like increased gas emission. Like the weather, the signs can be misleading and unpredictable.

At least a dozen eruptions happen daily and increased network footprint and media coverage ensures that no such eruptions go unreported.

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Mars

Mars was named by the ancient Romans for their god of war because its reddish color was reminiscent of blood. 

Other civilizations also named the planet for this attribute; for example, the Egyptians called it "Her Desher," meaning "the red one." Even today, it is frequently called the "Red Planet" because iron minerals in the Martian dirt oxidize, or rust, causing the surface to look red.

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Facts About Plate Tectonics
  • The theory that states that the Earth's "outer shell" is split into huge slabs of rock we call "plates," glide over the Earth's mantle is known as the Plate Tectonics
  • Alfred Wegener proposed this theory back in 1915 when it was still named the continental drift
  • Before plate tectonics, the continental drift theory was used to explain the geologic features of a region, which eventually became the unifying theory of geology.
Venus

Venus is the second planet from the Sun and our closest planetary neighbor. 

Similar in structure and size to Earth, Venus spins slowly in the opposite direction from most planets. 

Its thick atmosphere traps heat in a runaway greenhouse effect, making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. Glimpses below the clouds reveal volcanoes and deformed mountains.

Venus is named for the ancient Roman goddess of love and beauty, who was known as Aphrodite to the Ancient Greeks.

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