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Amazing facts about apples

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1. Apples are the third most popular fruit in the world (after bananas and mangos).

2. An average person eats about 65 apples per year.

3. They belong to Rosaceae family, just like roses (and apricots, almonds, peaches, pears, ...).

4. Majority of apples is grown in only five countries: China, Italy, Poland, Turkey, and the USA.

5. There are more than eight thousand varieties of apples grown worldwide. It's the largest variety of fruit in the world.

6. An apple consists 25% of air. This is why apples float on water.

7. Word apple was used for any kind of fruit except for berries until 1600 and even longer. This means we don't know for sure which fruit was really a forbidden fruit in the Bible. Only after several painters decided to present it as an apple as today's apple, it became what we consider it as an apple.

8. Apples contain vitamin C, pectin, procyanidins and quercitin, all considered as substances with anti-cancer potential.

9. Apple seeds contain cyanide, a deadly poison. You need to eat a lot of seeds to get into trouble though. Don't do that, please.

10. Before an apple tree produces a fruit it needs at least four years pass. Sometimes even a decade. If you plan to have your own orchard with apple trees, start early and have kids to fully enjoy them.


11. Malusdomesticaphobia is a rare condition where somebody is afraid of apples (Malus domesticus).

12. In Latin word, malum is used for apple and evil.

13. With the controlled atmosphere, storage apples can be available to supermarket almost all year round. This means you can buy an apple which was picked almost one year ago and it's just right for eating.

14. Six American states have an apple as an official fruit: Illinois, Minnesota, New York, Vermont, Washington, and West Virginia.

15. The most popular varieties of apples are Red Delicious, Gala, Golden Delicious, Granny Smith, and Fuji.

16. An apple at ripening gives off ethylene gas which accelerates the ripening of other fruit and vegetable - like avocado, kiwi, mango, peach, pear, plum, tomato, ...

17. Apples can be stored in a refrigerator up to 50 days. They ripen up to 10 times faster when left outside of the fridge at room temperature.

18. Another useful trick to prolong the shelf life of the apples is waxing them.

19. Science about apple growing is called pomology.

20. An apple tree can live up to one hundred years.


21. Two-thirds of so precious apple fiber is stored in the core.

22. Apples are rich with boron, micronutrient which stimulates electrical activity in the brain and is great for mental alertness.

23. An apple tree is probably more than a million year old and originates in Central Asia.

24. An apple tree needs an energy of 50 leaves to produce one fruit.

25. The most expensive apple in the world is Japanese Sekai Ichi. It costs about 20 Euros per piece.

26. The largest grown apple ever weighted 1,85 kg and was picked in Hirosaki City, Japan in 2005.
4.5.18 07:06


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Amazing Facts About the Sun

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1. Sun is essentially a huge ball made of burning Hydrogen (roughly 75 %) fusing into Helium (roughly 25 %).

2. It has a mass of 330 thousand Earths and diameter of 110 Earths. Almost one million Earths could hypothetically fit into the Sun. Almost 99.9 % of the Solar system is contained in the Sun. The majority of the rest belongs to Jupiter.

3. It's 4,6 billion years old and will die after about 5 more billion years when all its fuel (currently burning at the speed of 4 million tons of Hydrogen per second) will be used. Before that it will expand to much bigger size, consuming the nearest planets, including Earth, by the way, then shrink up to the size of the Earth, still keeping the mass becoming a so-called white dwarf and eventually ending its life cycle as a black dwarf.


4. Virtually all energy on the Earth comes from the Sun. All our food and most of the fuel gives us energy thanks to chemical bonds made due to photosythesis or by living organisms eating food made by photosynthesis. A photon of energy needs about eight minutes to travel from the Sun to our planet, but it needed several million years to travel from the Sun's core to its surface.

5. Numerous religions on all continents of our planet worship or worshipped Sun. Egyptian Ra, Japanese Amaterasu, and Incan Inti are among most well-known examples. About 30 flags of countries in the world depict Sun.

6. It's about 25 million degrees Celsius inside the Sun. It's only huge mass of all the burning gasses preventing the Sun from the explosion. The surface of the Sun has only 5500 degrees Celsius.

7. The average distance between the Sun and the Earth (about 150 million kilometers) is called one Astronomical Unit (AU).

8. The solar system consists of the Sun, eight planets and five dwarf planets, as presented in the table below.


9. One day of the Sun (rotation around its axis) lasts about 25 Earth days. Its gravity is 28 times the gravity of the Earth.

10. Approximately every 11 years the Sun changes its polarity. Its north pole becomes south and vice versa. Sun's magnetic field is only twice bigger than Earth's but can be much more concentrated in some areas being about 3 thousand times stronger than Earth's.


11. The first suggestion of the Sun is actually a star comes from Greek philosopher Anaxagoras. First who claimed the Earth moves around the Sun was another Greek Aristarchus. Polish mathematician Nicolaus Copernicus was first who constructed a model of the Solar system in the 16th century as it's known today, but it was only after Isaac Newton supported it with his formulas in the 17th century when majority accepted his idea.

12. The distance from the Sun to the Earth is about 400 distances from the Earth to the Moon.

13. Exposure to the Sun's UV rays causes our skin to tan. These rays have antiseptic properties but would be deadly for us if the majority would not be absorbed by our the ozone layer in the higher altitudes our atmosphere.

14. Lights emitted by Sun are all colors, but we see it as white or as one of different colors through it changes thanks to atmospheric scattering (electromagnetic radiation is scattered by atmospheric particles). Typical change is the red color of the sunrise or the sunset.

15. The sun is closest to perfect sphere among all objects known in nature.

16. Like everything in Universe, the Sun moves too. It travels by 20 kilometers per second relative to other stars and about 220 kilometers per second around our galaxy (called The Milky Way). It comes around the galaxy in approximately 250 million years.


17. The Sun is only one of approximately 6 thousand stars visible by a naked eye and only one of approximately 200 billion stars in Milky Way, one of many galaxies in the Universe. According to surveys more than half (55 %), Americans know that sun is a star.

18. It's illegal to smoke a pipe after sunset in Newport, Rhode Island and it's forbidden to walk backward after the sunset in Devon, Connecticut.
17.1.18 23:11


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