- saturn's rings are 90% water
- jupiters largest moon ganymade has a salty ocean that contains more water than earth
- mercury takes only 3 months for a year
- a day is longer than a year on venus
- for a rocket to orbit earth.it needs to travel 17,600 miles per hour
- every second your body produces 25 million new cells
- your brain doesn't feel pain
- a woman have half a litre blood less than men
- the heart produces about 70ml blood in each heart beat
- the circulatory system in more the 60,000 miles
- worms have 5 hearts
- snail can sleep up to 3 years
- sloths spend about 98% of their lives in a tree
- the giant octopus has 9 brains, 3 hearts, blue blood
- sea turtles never meet their parents
- a butterfly has more than 12,000 eyes
- some octopus species lay 56,000 eggs at a time
- the longest english word has 189,819 letters
- if you sneeze too hard, you could fracture a rib
- course of of an average life, while sleeping you eat around 10 spiders and 70 assorted insects and more
- baboons are able to writing and reading skills
- a box jellyfish has 24 eyes
- the six shiek's sixth sheep is the toughest tongue twister in the world
- sloths can hold their breath for 20 minutes
- whales can hold their breath for 40 minutes
Dark matter is one of the most fascinating and mysterious phenomena in the universe. It is a substance that makes up about 27% of the universe’s total mass and energy, yet remains entirely invisible and undetectable by conventional means. We know it exists because of its gravitational effects on ordinary (baryonic) matter, but its exact nature remains elusive. Here’s a detailed exploration of dark matter: 1. Observational Evidence for Dark Matter Galaxy Rotation Curves In the 1970s, astronomers observed something puzzling about the way galaxies rotate. When measuring the rotational speeds of stars in spiral galaxies, they found that stars at the outer edges of galaxies were moving much faster than would be expected based solely on the visible matter (suc...
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