8 Things You Didn’t Know About Rain

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Last Updated on September 28, 2018 by Naeem Javid Muhammad Hassani

8 Things You Didn’t Know About Rain …



  1. Rain reigns over us: It’s the main way liquid water, necessary for all earthly life-forms, disperses across the planet. But, a 2015 study in Nature Geoscience concluded Earth’s early rain was made of iron. More than 4.5 billion years ago, bits of space rock vaporized upon impact with our still-forming planet, rose up in plumes of rock and iron, and then fell back down as rain.
  2. Water-based rain dates back to at least the late Archaean Eon: Researchers have found fossilized raindrop imprints in 2.7 billion-year-old volcanic tuff in South Africa. 8 Things You Didn't Know About Rain
  3. Acid rain, while still water, leaves a different kind of imprint on many surfaces, corroding metal and eroding limestone and marble. The term, coined in the mid-19th century, typically refers to precipitation with a pH of less than 5.2. Acid rain can occur naturally after volcanic eruptions, forest fires and other events that release sulfur dioxide into the atmosphere. The compound dissolves in rainwater and oxidizes into sulfuric acid. Unnatural acid rain poses larger environmental threats, such as deforestation. Since the Industrial Revolution, fossil fuel burning has released sulfate and nitrate ions — both acid rain precursors — into the atmosphere at unprecedented levels.
  4. Acid rain is bad enough, but on Saturn’s moon Titan, the rain is made of methane. On Saturn itself, as well as Jupiter, droplets of helium rain may fall from the gas giants’ outer layers toward the interior, according to research published in 2010 in Physical Review Letters.
  5. But nowhere on Earth, Saturn or anywhere else has it rained cats and dogs. There’s a flood of theories about the origin of the popular saying, which was first recorded in the mid-17th century. Some etymologists think the phrase refers to dead animals washed into the streets after a downpour. But others see a possible corruption of the Old English word for waterfall, catadupe, which makes more sense than falling Fidos and Fluffys. 
  6. It rains some serious catadupe in Cherrapunji, India. The weather station there holds the world record for the heaviest 48-hour rainfall (more than 98 inches), set in 2014. Cherrapunji also holds a long-standing record for highest rainfall in a 12-month period: 86 feet, 10 inches, set back in 1860-1861.
  7. Many people find the sound of rain as pleasant as its smell, but a 2016 study determined it’s also possible to measure rainfall amounts over oceans by monitoring the sound of droplets hitting the waves.
  8. Since Earth’s water cycle is essentially evaporation from the surface, condensation in the upper atmosphere and precipitation (gravity sending that condensation back down), those little droplets are really just going home.

Via Discover

Image: Author

READ NEXT: Precipitation – Origin, Formation, Forms, and Measurement



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Naeem Javid Muhammad Hassani

NJMH is working as Deputy Conservator of Forests in Balochistan Forest & Wildlife Department (BFWD). He is the CEO of Tech Urdu (techurdu.net) Forestrypedia (forestrypedia.com), Majestic Pakistan (majesticpakistan.pk), All Pak Notifications (allpaknotifications.com), Essayspedia, etc & their YouTube Channels). He is an Environmentalist, Blogger, YouTuber, Developer & Vlogger.

2 thoughts on “8 Things You Didn’t Know About Rain

  • September 30, 2018 at 2:14 pm
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    Wonderful information.

    Reply
    • October 10, 2018 at 8:44 pm
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      Thanks Sir!

      Reply

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