diff --git a/7- solar sail to deorbit satellites in low-Earth orbit.pdf b/7- solar sail to deorbit satellites in low-Earth orbit.pdf index bc7cbf096700dd8258089c157b603c952884eef4..9b9e22168677a8576be560756fb6f31ebedf1db9 100644 Binary files a/7- solar sail to deorbit satellites in low-Earth orbit.pdf and b/7- solar sail to deorbit satellites in low-Earth orbit.pdf differ