And over the years we also realised that the rotation of the Earth about its axis made the days vary in length.
(we; realised; that the rotation of the Earth about its axis made the days vary in length; T:over the years) Context(we realised,List([19, 35))):(the rotation of the Earth about its axis; made; the days vary in length) Context(we realised the rotation of the Earth about its axis made,List([19, 86))):(the days; vary; )
we realised,List([19, 35)) we realised the rotation of the Earth about its axis made,List([19, 86))
we the rotation of the Earth about its axis the days
realised made vary
that the rotation of the Earth about its axis made the days vary in length T:over the years
the days vary in length