Heliocentricism
<p>"In 1640 he supplemented <em>Discovery</em> with a second part entitled <em>Discourse concerning a new planet; tending to prove, that ('tis probable) our earth is one of the planets.</em> Drawing heavily on contemporary literature on the subject, particularly the works of Galileo, <em>Discourse</em> illustrates and defends the heliocentric system of Copernicus and tries to show how the earth’s movement around the sun might be possible. Reprinted several times in the seventeenth and early eighteenth century, these works were hugely influential and helped gain acceptance of the ideas of Copernicus, Kepler and Galileo in England." </p>