1639 in science
Encyclopedia
The year 1639 in science
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...

and technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 involved some significant events.

Astronomy

  • Giovanni Battista Zupi
    Giovanni Battista Zupi
    Giovanni Battista Zupi or Zupus was an Italian astronomer, mathematician, and Jesuit priest.He was born in Catanzaro. In 1639, Giovanni was the first person to discover that the planet Mercury had orbital phases, just like the Moon and Venus. His observations demonstrated that the planet orbited...

     observes that the planet Mercury
    Mercury (planet)
    Mercury is the innermost and smallest planet in the Solar System, orbiting the Sun once every 87.969 Earth days. The orbit of Mercury has the highest eccentricity of all the Solar System planets, and it has the smallest axial tilt. It completes three rotations about its axis for every two orbits...

     has orbit
    Orbit
    In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...

    al phase
    Planetary phase
    Planetary phase is the term used to describe the appearance of the illuminated section of a planet. Like lunar phases, the planetary phase depends on the relative position of the sun, the planet and the observer....

    s.
  • December 4 (November 24 in Julian calendar
    Julian calendar
    The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...

    ) - Jeremiah Horrocks
    Jeremiah Horrocks
    Jeremiah Horrocks , sometimes given as Jeremiah Horrox , was an English astronomer who was the only person to predict, and one of only two people to observe and record, the transit of Venus of 1639.- Life and work :Horrocks was born in Lower Lodge, in...

    , an English
    England
    England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

     astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

    , observes the transit of Venus
    Transit of Venus
    A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and Earth, becoming visible against the solar disk. During a transit, Venus can be seen from Earth as a small black disk moving across the face of the Sun...

    .

Exploration

  • The Casiquiare canal
    Casiquiare canal
    The Casiquiare river is a distributary of the upper Orinoco flowing southward into the Rio Negro, in Venezuela, South America. As such, it forms a unique natural canal between the Orinoco and Amazon river systems. It is the largest river on the planet that links two major river systems, a...

    , a river
    River
    A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

     forming a natural canal
    Canal
    Canals are man-made channels for water. There are two types of canal:#Waterways: navigable transportation canals used for carrying ships and boats shipping goods and conveying people, further subdivided into two kinds:...

     between the Amazon River
    Amazon River
    The Amazon of South America is the second longest river in the world and by far the largest by waterflow with an average discharge greater than the next seven largest rivers combined...

     and Orinoco River basins, is first encountered by Europe
    Europe
    Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

    ans

Births

  • December 18 - Gottfried Kirch
    Gottfried Kirch
    Gottfried Kirch was a German astronomer. The son of a shoemaker in Guben, Electorate of Saxony, Kirch first worked as a calendar-maker in Saxonia and Franconia. He began to learn astronomy in Jena, and studied under Hevelius in Danzig...

    , German astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

     (d. 1710
    1710 in science
    The year 1710 in science and technology involved some significant events.-Events:* The Royal Society of Sciences in Uppsala is founded in Uppsala, Sweden, as the Collegium curiosorum .-Physiology and medicine:...

    )
  • approx. date - Daniel Greysolon, Sieur du Lhut
    Daniel Greysolon, Sieur du Lhut
    Daniel Greysolon, Sieur du Lhut was a French soldier and explorer who is the first European known to have visited the area where the city of Duluth, Minnesota is now located and the headwaters of the Mississippi River near Grand Rapids...

    , French
    French people
    The French are a nation that share a common French culture and speak the French language as a mother tongue. Historically, the French population are descended from peoples of Celtic, Latin and Germanic origin, and are today a mixture of several ethnic groups...

     explorer (d. 1710
    1710 in science
    The year 1710 in science and technology involved some significant events.-Events:* The Royal Society of Sciences in Uppsala is founded in Uppsala, Sweden, as the Collegium curiosorum .-Physiology and medicine:...

    )

Deaths

  • June 6 - Peter Crüger
    Peter Crüger
    Peter Crüger or Peter Krüger was a mathematician, astronomer, polymath, and teacher of Johannes Hevelius.-Life:...

    , German polymath
    Polymath
    A polymath is a person whose expertise spans a significant number of different subject areas. In less formal terms, a polymath may simply be someone who is very knowledgeable...

     (b. 1580
    1580 in science
    The year 1580 in science and technology included many events, some of which are listed here.-Exploration:* September 26 - Francis Drake in the Golden Hind sails into Plymouth having completed the second circumnavigation of the world, westabout, begun in 1577.-Births:* December 1 - Nicolas-Claude...

    )
  • August 7 - Martin van den Hove
    Martin van den Hove
    Martin van den Hove was a Dutch astronomer and mathematician. His adopted Latin name is a translation of the Dutch hof , in Latin horta.-Early life:...

    , Dutch
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

     astronomer (b. 1605
    1605 in science
    The year 1605 in science and technology involved some significant events.-Exploration:* France founds Port Royal in its North American colony of Acadia .-Chemistry:...

    )
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK