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Ole Christensen Rømer was a Danish astronomer who, in 1676, made the first measurement of the speed of light and discovery that light travels at a finite speed. Rømer also invented the modern thermometer showing the temperature between two fixed points, namely the points at which water respectively boils and freezes.
Tycho Brahe, generally called Tycho for short, was a Danish astronomer of the Renaissance, known for his comprehensive and unprecedentedly accurate astronomical observations. He was known during his lifetime as an astronomer, astrologer, and alchemist. He was the last major astronomer before the invention of the telescope.
Frederick II was King of Denmark and Norway and Duke of Schleswig and Holstein from 1559 until his death.
Simon Marius was a German astronomer. He was born in Gunzenhausen, near Nuremberg, but spent most of his life in the city of Ansbach. He is best known for being among the first observers of the four largest moons of Jupiter, and his publication of his discovery led to charges of plagiarism.
Uraniborg was an astronomical observatory and alchemy laboratory established and operated by the Danish astronomer Tycho Brahe. It was the first custom-built observatory in modern Europe, and the last to be built without a telescope as its primary instrument.
Christen Sørensen Longomontanus was a Danish astronomer.
John Louis Emil Dreyer, also Johan Ludvig Emil Dreyer, was a Danish astronomer who spent most of his career working in Ireland. He spent the last decade of his life in Oxford, England.
The Copernican Revolution was the paradigm shift from the Ptolemaic model of the heavens, which described the cosmos as having Earth stationary at the center of the universe, to the heliocentric model with the Sun at the center of the Solar System. This revolution consisted of two phases; the first being extremely mathematical in nature and the second phase starting in 1610 with the publication of a pamphlet by Galileo. Beginning with the 1543 publication of Nicolaus Copernicus’s De revolutionibus orbium coelestium, contributions to the “revolution” continued until finally ending with Isaac Newton’s work over a century later.
Martin (Maarten) van den Hove (Latinized as Martinus Hortensius (Ortensius)) (1605 – 7 August 1639) was a Dutch astronomer and mathematician. His adopted Latin name is a translation of the Dutch hof ("garden"), in Latin horta.
SophiaThott Lange, known by her maiden name, was a Danish noblewoman and horticulturalist with knowledge of astronomy, chemistry, and medicine. She worked alongside her brother Tycho Brahe in making astronomical observations.
Otte Brahe was a Danish (Scanian) nobleman and statesman, who served on the privy council. He was married to Beate Clausdatter Bille and was the father of astronomers Tycho and Sophia Brahe.
Peder Sørensen (1542–1602), widely known by his Latinized name, Petrus Severinus, was a Danish physician, and one of the most significant followers of Paracelsus. His works include the major treatise Idea medicinae philosophicae (1571), which asserted the superiority of the ideas of Paracelsus to those of Galen. Severinus was a member of Denmark's intellectual elite. His education was supported by the Danish crown and his eventual appointment as royal physician conferred status and authority to his work and opinions. He was a contemporary and intellectual and personal associate of Tycho Brahe who likewise is associated with the evolution of chemistry during the seventeenth century. Daniel Sennert, a professor at Wittenberg wrote in 1619 that most chemical physicians followed the lead of Severinus and even referred to a “Severinian School” of medical theory, which was based on the philosophy of Paracelsus. Scholars including Jole Shackelford and Hiro Hirai have claimed that Severinus was an important predecessor of both Johann Baptista von Helmont and Pierre Gassendi.
The Great Comet of 1577 is a non-periodic comet that passed close to Earth during the year 1577 AD. Being classed as non-periodic, indicated by its official designation beginning with "C", means that it is not expected to return. In 1577, the comet was visible to all of Europe, and was recorded by many contemporaries of the time, including the famous Danish astronomer Tycho Brahe and Turkish astronomer Taqi ad-Din. From his observations of the comet, Brahe was able to discover that comets and similar objects travel above the Earth's atmosphere. The best fit using JPL Horizons suggests that the comet is currently about 324 AU (48.5 billion km) from the Sun.
Niels Hemmingsen was a Danish Lutheran theologian. He was pastor of the Church of the Holy Ghost, Copenhagen and professor at the University of Copenhagen. The street Niels Hemmingsens Gade in Copenhagen is named in his honor.
Hans van Steenwinckel the Elder was a Flemish-Danish architect and sculptor. He worked on a large number of the most important Danish buildings of his time, although the exact scope of his contributions in many cases remains uncertain and much have been demolished or redesigned later. The father of Hans van Steenwinckel the Younger and Lorenz van Steenwinckel, he also founded a dynasty of architects and sculptors in Denmark.
Patronage in astronomy is an approach which one can use to examine the history of astronomy from a cultural standpoint. Rather than simply focusing on the findings and discoveries of individual astronomers, this approach emphasizes the importance of patronage in shaping the field of astronomy.
Galileo di Vincenzo Bonaiuti de' Galilei, commonly referred to as Galileo Galilei or simply Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a polymath. He was born in the city of Pisa, then part of the Duchy of Florence. Galileo has been called the father of observational astronomy, modern-era classical physics, the scientific method, and modern science.
In the folklore of Scandinavia, Tycho Brahe days are days judged to be especially unlucky, especially for magical work, and important business transactions. Tycho Brahe (1546–1601) was a Danish astronomer, astrologer, and alchemist and as such achieved some acclaim in popular folklore as a sage and magician.
Francesco Ingoli was an Italian Catholic priest, lawyer and professor of civil and canon law.
Georg Limnaeus was a German mathematician, astronomer and librarian, who provided noteworthy encouragement to Johannes Kepler shortly after his first heliocentric astronomical work was published.
References
- ↑ Gellius Sascerides Dansk Biografisk Leksikon Retrieved December 1, 2020
