This means that the Earth travels about 1o a day in its orbit around the Sun.
(This; means; that the Earth travels about 1o a day in its orbit around the Sun) Context(This means,List([0, 10))):(the Earth; travels; about 1o a day in its orbit around the Sun)
This means,List([0, 10))
This the Earth
means travels
that the Earth travels about 1o a day in its orbit around the Sun
about 1o a day in its orbit around the Sun