One from the Sun´s internal dynamo, the other (heretical) that of the barycentric movements.    From Wordnik.com.  [WordPress.com News] Reference

This contradicts the contention maintained by Thjell and Lassen (2000) and IPCC supporters that the sun's impact on climate has faded away since decades. on the sun's barycentric oscillations.    From Wordnik.com.  [WHAT REALLY HAPPENED] Reference

The sun moves in what is called a “barycentric orbit”, which means it doesn’t sit still at the center of the solar system.    From Wordnik.com.  [KTH, Stockholm Conference « Climate Audit] Reference

12) St: "The surface of the Sun will be disrupted by a 'barycentric sleeve'.".    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference