"Water Is Life"💧

Quote of the day #1: July 6, 2025 💦

-Audrey Hepburn

Here are five key facts about the importance of water

Where does water come from?

Water, or H2O, is created when hydrogen and oxygen atoms combine. This process primarily occurs in space, where hydrogen and oxygen molecules collide and form water molecules. These water molecules can then attach to dust grains, forming ice crystals. The early solar system inherited its water from a vast cloud of gas and dust where these reactions took place.

How much water is there on planet earth?

There are approximately 1.386 billion cubic kilometers (333 million cubic miles) of water on Earth. This includes all forms of water, such as oceans, ice caps, groundwater, and freshwater sources like lakes and rivers. Roughly 97.5% of this water is saltwater, found primarily in the oceans, while the remaining 2.5% is freshwater.

Light travels slower through water than through air

This difference in speed is due to the way light interacts with the molecules of the medium it's traveling through. Specifically, water's refractive index is higher than air's, meaning light bends more when entering or exiting water. This phenomenon is responsible for the apparent bending of a straw in a glass of water and the formation of rainbows.

Here's a more detailed explanation:

Refraction
When light passes from one medium to another (like from air to water), it changes direction. This bending of light is called refraction.
Refractive Index
The refractive index is a measure of how much light bends when entering a material. Water has a higher refractive index than air, so light bends more when it enters water.
Rainbows
Rainbows are formed when sunlight is refracted and reflected by raindrops. The different wavelengths of light (different colors) are separated as they pass through the water droplets, creating the familiar arc of colors.
Underwater Vision
The fact that we can see underwater at all is due to light being able to penetrate water. This was crucial for the development of early life on Earth.

In Closing / Fair use policies

All images provided are my own generated by AI or are my own photographs wherever possible!
Any text posted by me is either gathered from scientifically fact based research engines freely available online through multiple databases which may be cross referenced at your convenience or else they are my own opinions posted to generate a BUZZ in the community! Feel free to comment/add-on to this post below anymore interesting information you have related to the topic in this post!
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