A study of the crater record on the moon indicated that the Earth could expect one big cratering event every 100 million years.
(A study of the crater record on the moon; indicated; that the Earth could expect one big cratering event every 100 million years) Context(A study of the crater record on the moon indicated,List([0, 50))):(the Earth; could expect; one big cratering event; T:every 100 million years)
A study of the crater record on the moon indicated,List([0, 50))
A study of the crater record on the moon the Earth
indicated could expect
that the Earth could expect one big cratering event every 100 million years
one big cratering event T:every 100 million years