In astronomy, he discovered that day and night are caused by the revolution of the earth about its own axis.
(he; discovered; that day and night are caused by the revolution of the earth about its own axis; L:In astronomy) Context(he discovered,List([14, 27))):(that day and night; are caused; by the revolution of the earth about its own axis)
he discovered,List([14, 27))
he that day and night
discovered are caused
that day and night are caused by the revolution of the earth about its own axis L:In astronomy
by the revolution of the earth about its own axis