Category Archives: History Of Astronomy

Astronomical Guest Stars – A Historical Catalogue

Guest stars are supernova events. This is when an old star explodes, causing it to become rapidly and massively more bright. It usually then fades over the next 1-2 years. If a supernova occurs in our own galaxy the “Milky … Continue reading

Posted in History Of Astronomy, Supernovae And Novae | 4 Comments

Kepler Works Out The Planets And Their Orbits

Kepler was asked personally by Tycho Brahe, the eminent and famous Danish astronomer, to carry forward Tycho’s exceptional measurement and calculation work on the positions of the stars and planets. In due course, as I will discuss in this article, … Continue reading

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Kepler’s Three Fundamental Laws Of Planetary Motion

The work of Johannes Kepler (1571-1630) was extremely important to astronomy. He used the observational data gathered over many years by Tycho Brahe, to work out the mathematics behind the motion of planets around the Sun. He also gave weight … Continue reading

Posted in History Of Astronomy | 2 Comments