WINTER HOLIDAY CELEBRATION

Visit Lowell Observatory as it opens its doors for tours during the day and telescope viewing after dark. The observatory will close at 5 p.m. Monday, Dec. 31. Details: 9 a.m.-9:30 p.m. Wednesday-Monday, Dec. 26-31. 1400 W. Mars Hill Road. $11, $9 for seniors and college students, $4 for ages 5-17. 928-774-3358, lowell .edu.