
If you have questions about the conjugation of прецессия or Russian nouns in general, you can practice and get feedback from a professional tutor.
Он сказал, что портал вызовет прецессию Земли и мы почувствуем эффекты по 38-ой параллели, с приближением момента.
Gerard. He said the portal would impact the Earth's precession. That we'd feel the effects along the 38th parallel as the time drew nearer.