- In the Hipparchian, Ptolemaic, and
Copernican systems of astronomy, the
epicycle (from
Ancient Gr**** ἐπίκυκλος (epí****los) 'upon the circle',
meaning "circle...
-
standard epicyclic gearing.
Around 500 BC, the Gr****s
invented the idea of
epicycles, of
circles travelling on the
circular orbits. With this
theory Claudius...
-
previously done by
Sandivogius of Czechel,
Brudweski added a
secondary epicycle explain the
motion of the Moon.
Brudzewski also
considered that the motion...
- and the
other planets orbiting around it in
circular paths,
modified by
epicycles, and at
uniform speeds. The
Copernican model displaced the geocentric...
- line to the right. A
given planet then
moves around the
epicycle at the same time the
epicycle moves along the path
marked by the deferent.
These combined...
- the path of a
chosen point on the cir****ference of a circle—called an
epicycle—which
rolls without slipping around a
fixed circle. It is a particular...
-
equant point, the
epicycle's center (indicated by the small · )
would appear to move at a
steady angular speed. However, the
epicycle's center will not...
- the
planets are each
governed by two
epicycles, a
smaller manda (slow)
epicycle and a
larger śīghra (fast)
epicycle. It has been
suggested by some commentators...
- Like a Peasant. 2013
Serenade Vapour 7” 2016
Epicycle 2018
Evolution 2018
MIKHEL (soundtrack) 2020
Epicycle II 2021 Ox 1999
Yesterday Was
Dramatic – Today...
- For Kuhn, the
addition of
epicycles in
Ptolemaic astronomy was "normal science"
within a paradigm,
whereas the
Copernican Revolution was a
paradigm shift...
