TY - JOUR AU - Manuel Güdel TI - The Sun in Time: Activity and Environment T2 - Living Reviews in Solar Physics PY - 2007 VL - 4 IS - 3 C7 - lrsp-2007-3 DA - 2007/12/20/ UR - http://www.livingreviews.org/lrsp-2007-3 DO - 10.12942/lrsp-2007-3 KW - Active stars, Climate, Cool stars, Solar corona, Circumstellar disks, Solar dynamo, Solar flares, High-energy radiation, Magnetic activity, Solar magnetic fields, Planetary atmospheres, Solar analogs, Solar evolution ER -