Complex sentence: Weaver supported the heliocentric view of the universe, and opposed criticism of the accuracy of ephemerides formulated by Edmond Halley, the Astronomer Royal, particularly that from Tycho Wing.
Split into simpler sentences: Weaver supported the heliocentric view of the universe. He opposed criticism of the accuracy of ephemerides formulated by Edmond Halley, the Astronomer Royal, particularly that from Tycho Wing.