An important force is

[suprunp]

An important force, not yet mentioned is due to the nonspherical shape of the planets.
(Fundamentals of Astrodynamics; Roger R. Bate)

Can I paraphrase it this way:

'There is an important force, not yet mentioned, due to the nonspherical shape of the planets."

Thanks.

[bhaisahab]

An important force, not yet mentioned is due to the nonspherical shape of the planets.
(Fundamentals of Astrodynamics; Roger R. Bate)

Can I paraphrase it this way:

'There is an important force, not yet mentioned, due to the nonspherical shape of the planets."

Thanks.

I would say, 'There is an important force, not yet mentioned, which is due to the non-spherical shape of the planets."