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Astronomer Tycho Brahe


             Summary of Achievements:.
             1) Made observations that had yet been made by devising the best instruments available before the invention of the telescope.
             - planetary motion.
             - did intensive research on Mars,.
             - provided the crucial data for later astronomers like Kepler to construct our present model of the solar system.
             - supernova in 1572 (a supernova is an exploding star).
             - Brahe though a supernova was a birth of a new star we now know it is an exploding star.
             - the star suddenly appeared and was visible for around 18 months .
             - this represents the change in the sky.
             - "prevailing opinion held that the supernova was not really a star but some local phenomenon in the atmosphere " .
             - the heavens were thought of being unchanging in Aristotelian view.
             Brahe's detailed observations he was able to prove that the supernova did not change positions with respect to the other stars (no parallax):.
             - from there he discovered that is was not a star but a "local object ".
             - Brahe did not interpret the absence of parallax for stars correctly, as we discuss below.
             - Observations of a comet in 1577.
             - By measuring the parallax for the comet, he was able to show that the comet was further away than the Moon. .
             - this contradicted the teachings of Aristotle.
             - Aristotle thought that comets were atmospheric phenomena ("gases burning in the atmosphere" was a common explanation among Aristotelians). As for the case of the supernova, comets represented an obvious change in a celestial sphere that was supposed to be unchanging; furthermore, it was very difficult to ascribe uniform circular motion to a comet.
             - Brahe made the most accurate measurements of his day for stellar parallax.
             - when he found no parallax for the stars, he concluded that either.
             - the earth was motionless at the center of the Universe, or.
             - the stars were so far away that their parallax was too small to measure.
             - he was right!.
             - formulated a pivotal question (correctly).


Essays Related to Astronomer Tycho Brahe

1. Cosmic Chemistry

In 1572, the Danish astronomer Tycho Brahe was witness to one of the most exciting cosmic phenomena known to exist -- a supernova, or gigantic stellar explosion. ... Tycho Brahe was witness to one of the only three or four supernovae known to explode during human history. Though today the Tycho supernova is visible only through a telescope, at the time of its initial blast it was visible to the naked eye for about 18 months. ... Today, astronomers are not studying visible light from the supernova, as Tycho would have seen it, but rather its X-ray light, which can be detected by both XMM-Newton...

  • Word Count: 976
  • Approx Pages: 4
  • Grade Level: Undergraduate

2. The People of the Renaissance

Important scientists of the Renaissance were Tycho Brahe, Nicholas Copernicus, Johannes Kepler, and Paracelsus. Tycho Brahe was an astronomer of Denmark, ordered the building of the Uraniborg, and owned a printing press. Nicholas Copernicus, born on February 19, 1473, was a mathematician, an astronomer, and a doctor, developed the Heliocentric Theory, thereby pushing astronomy far ahead. Johannes Kepler, an assistant of Tycho Brahe, was an astronomer and mathematician, and greatly helped the Scientific Revolution. ...

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3. Kepler

He was a german astronomer and a natural philosopher, noted for formulating and verifying the three laws of planetary motion. ... Kepler held the chair of Astronomy and Mathematics at Graz University from 1594 until 1600, when he became assistant to the Danish astronomer Tyco Brahe in tn the latter's observatory near Prague. On the death of Tycho in1601, Kepler assumed his position as imperial mathematician and court astronomer to Rudolf II, Holy Roman emperor. Kepler was able to derive from the notes of Tycho, a detailed picture of the path of the planet Mars. Whereas all previous in...

  • Word Count: 282
  • Approx Pages: 1
  • Grade Level: High School

4. Kepler

Using data collected by Tycho Brahe, to whom Kepler was an assistant, Kepler was able to formulate the three major laws of planetary motion. These laws give astronomers, physicists, mathematicians, and other scientists the basis for prevalent rules governing basic scientific principals. ... He later became the assistant to Tycho Brahe, a Danish astronomer in Prague. When Brahe died, Kepler took over his position as head mathematician and astronomer to Rudolf II, the Holy Roman emperor. ... It was a revolutionary piece of work because it played a prime role in altering the views of astron...

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5. The Scientific Revolution

Copernicus work led to modern physics, but Copernicus got his ideas from other islamic astronomers. Without the ideas and theories of the islamic astronomers, Copernicus work might of never been developed. ... He was a german mathematician who worked for Tycho Brahe, who wanted to figure out why Mars behaved like it did. Brahe died and left Kepler to finish his work. ... Isaac Newton, another astronomer/scientist/mathematician read Kepler's book on third law and he came up with his own theory. ...

  • Word Count: 597
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6. All About Comets

Observations of the comet of 1577 by Tycho Brahe demonstrated that comets were more distant than the moon. ... Professional astronomers have found most new comets reported in recent years, while others are discovered by accident. ...

  • Word Count: 1116
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7. contributions to astronomy

Kepler was assigned the task by Tycho Brahe to analyze the observations that Tycho had made of Mars. ... Tycho's data was the best available before the invention of the telescope and the accuracy was good enough for Kepler to show that Mars' orbit would precisely fit an ellipse. ... All three of these astronomers or mathematicians helped to describe the universe we know today. These men's discoveries countered and sometimes collaborated with the natural philosophy of Aristotle and the astronomer Ptolemy. ...

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8. The Cosmic Engine

His work was based on the Astronomer Aristotle Ptolemy proposed that: 1) The Earth is the centre of the heavens- a geocentric universe 2) The heavens of stars is a sphere turning steadily around its axis once every 24 hours 3) The Earth is a sphere at rest 1571-1630 Copernicus best known for shifting attention from Geocentric model to Heliocentric model. He proposed : 1) The ...

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9. The Church and Technology

"It claimed that the rate of fall of an object was determined by its weight, held that matter was constructed out of four possible elements, with different matter containing different combinations of these four, and described the universe as the Greek astronomer Ptolemy had described it, as a static and finite thing in which the Earth occupied the central position, with the sun and planets in revolution and the distant stars inhabiting its farthest edges."...

  • Word Count: 2877
  • Approx Pages: 12
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