YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Perturbations effects<br />
•All significant points rotate:<br />
equinoxes, solstices, perihelion,<br />
aphelion<br />
•Celestial Poles changes<br />
•Zodiac band rotation:<br />
constellations are visible earlier<br />
in time precession<br />
•Season chances: 20 min earlier<br />
every year<br />
The star indicating the<br />
Geographic North changes
![[12.06.12] Coordinamento di Aeroporto 2012](https://img.yumpu.com/16337305/1/190x143/120612-coordinamento-di-aeroporto-2012.jpg?quality=85)
![[11.06.10] Lo strato limite turbolento](https://img.yumpu.com/16319523/1/184x260/110610-lo-strato-limite-turbolento.jpg?quality=85)
Hooray! Your file is uploaded and ready to be published.
Saved successfully!
Ooh no, something went wrong!
Change language