Eratosthenes de cyrene biography of mahatma gandhi

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    List of organisms named after famous people (born before )

    TaxonTypeNamesakeNotesTaxon imageNamesake
    imageRef Abditusdyadus khayyammii †Ghavidel-Syooki & Piri-Kangarshahi, CryptosporeOmar KhayyamA cryptospore from the Ordovician of Razavi Khorasan, Iran, whose name "Refers to Omar Khayyam Neyshaburi, a Persian mathematician, astronomer, and poet (born on May 18, , ACE in Neyshabur [, Razavi Khorasan province]; died on December 4, ACE in the same city)."[2]AbelopsocusSchmidt & New, BarklouseAbel Tasman"The generic name is a combination of the name Abel, after the Dutch seafarer, explorer, and merchant Abel Tasman, and Psocus, a genus of Psocidae."[3]Aberrapex sanmartiniMenoret, Mutti & Ivanov, TapewormJosé de San MartínA parasite of the Southern eagle ray, collected from the coast of Argentina and "named after José de San Martín, one of the leaders of South America's successful struggle for

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    Eratosthenes declares that it is no longer necessary to inquire as to the cause of the overflow of the Nile, since we know definitely that men have come to the sources of the Nile and have observed the rains there.

    Eratosthenes of Cyrene was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. His work is comparable to what is now known as the study of geography, and he introduced some of the terminology still used today.

    He is best known for being the first person to calculate the circumference of the Earth, which he did by using the extensive survey results he could access in his role at the Library; his calculation was remarkably accurate. He was also the first to calculate the tilt of the Earth's axis, once again with remarkable accuracy. Additionally, he may have accurately calculated the distance from the Earth to the Sun and invented the leap day. He create

  • eratosthenes de cyrene biography of mahatma gandhi

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    Eratosthenes

    A Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. He invented the discipline of geography, including the terminology used today.

    He is best known for being the first individ to calculate the circumference of the Earth, which he did by applying a measuring system using stadia, a standard enhet of measure during that time period. His beräkning was remarkably accurate. He was also the first to calculate the tilt of the Earth's axis (again with remarkable accuracy). Additionally, he may have accurately calculated the distance from the Earth to the Sun and invented the leap day. He created the first map of the world, incorporating parallels and meridians based on the available geographic knowledge of his era.

    Eratosthenes was the founder of scientific chronology; he endeavored to revise the dates of the chief literary and political events from the conquest of Tr