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Who Discovered Orion’s Belt?

Who Discovered Orion's Belt?
Introduction Orion’s Belt is an asterism of three stars in the Orion constellation. It is one of the most well-known constellations in the sky. The belt makes it easily discernible to the human eye. Because it is clearly visible, Orion’s Belt was known throughout the ancient world. No single astronomer discovered it. Features of Orion and Orion’s Belt The Orion constellation suggests the figure of a hunter with a belt around his waist. He appears to hold a club and shield in his hands. One of the stars representing the hunter’s legs is Rigel. It is the sixth brightest star in the heavens. Because of their brightness, Orion’s stars can be used to locate other stars such as Castor and Pollux and Sirius. The three stars of Orion’s Belt are named Alnitak, Alniham and Mintaka. Christian believers have identified them with ether the Three Magi who visited the child Jesus, and the three women named Mary in the Bible: Mary of Magdala, Mary of Cleopas and Mary the mother of the apostles...

Who Discovered Potassium?

Who Discovered Potassium?
The chemical element that bears the symbol K, potassium has an atomic mass of 39.0983 and an atomic number of 19. This alkali metal is soft and has a color of silvery white. It reacts to water and it oxidizes in air. Aside from this, the element can produce enough heat to burn evolved form of hydrogen. This element is commonly found in seawater as well as in ionic salt. Various fruits are also rich in this element. To know more about this important chemical element, it is best to start with the discovery of potassium. Historical Background Who discovered potassium? The alkali metal was discovered by Sir Humphry Davy in 1807 in England. The discovery of the element happened when he used electrolysis to process caustic potash. According to records, it is the first alkali metal to be discovered using electrolysis. At first, there are no distinctions between potassium and sodium. However, after the 18th century, Davy performed the technique once again and extracted sodium. At this time, he...

Who Discovered the Constellation Pisces?

Who Discovered the Constellation Pisces?
Introduction Pisces is constellation of the twelfth and last of the zodiac signs. It is found in that region of the sky known as the Sea. Near Pisces are several other constellations with water symbolism, including the Whale and Aquarius, the eleventh zodiac sign. Unlike other constellations like Orion and Leo, Pisces is difficult to observe since it is very faint. This constellation is visualized as two fishes. It is what the word “Pisces” means in Latin. There is supposed to be a cord joining the two fishes by their tails. The two creatures are swimming in opposite directions. Discovery and History of Pisces Who discovered the constellation Pisces? Well, the Babylonians were the foremost astronomers and astrologers in the ancient world. It is from them that many other constellations have come down to us. Pisces was most likely another one of their discoveries. But the best account we have of the ancients’ view on Pisces comes from the Greeks. The earliest astronomers in Greece did...

Who Discovered Carbon?

Who Discovered Carbon?
Represented by the atomic number 6 and the symbol C, carbon is an important chemical element classified as tetravalent and nonmetallic. It is one of the longest existing elements known today. The most popular allotropes of carbon are amorphous carbon, diamond and graphite. It is widely used in the petrochemical industry, specifically in producing kerosene as well as gasoline. In addition to these interesting details, it is good to learn other valuable information about this all-important element such as who discovered carbon. The Discovery of Carbon Who discovered carbon? Although this element was discovered in prehistory, several individuals contributed to a clearer knowledge about its different properties and characteristics. For instance, French scientist Rene A. F. de Reaumur first showed in 1722 that through the absorption of carbon, it was possible to transform iron into steel. By 1772, the father of modern chemistry Antoine Lavoisier discovered that diamonds were in a way one form...

Who Discovered Medicine?

Who Discovered Medicine?
Introduction Medicine is universal to all mankind. It may even be found amongst animals. For example tigers and dogs eat grass when they have digestive problems. Because sickness is common to all, it is impossible to say that one person discovered medicine. Here we give a brief history of medicine in the ancient world. Oldest Discoveries in Medicine Like animals, primitive man used plants as medicine. Animals seem to know what is good for them when they are ill. It may be inherited or instinctive knowledge, or a little bit of both. With prehistoric man it was probably the same thing. Over time with much experimentation, people came to know more and more about the helpful plants around them. These herbs, fruits and vegetables were therefore the first medicine humans discovered. Discovery of Medicine in Egypt Herodotus in his Histories praised the ancient Egyptians as “the healthiest of people,” second only to Libyans. He ascribed this to good weather conditions and a sound health care...