Sunday, March 10: 7th Annual Birthday Bash KTA Family Free Day at Imiloa.  The Center’s exhibit hall and planetarium offerings this day are free and open to the public. Journey Through the Universe will present special hourly presentations with exhibits from the Observatories on Maunakea, NASA Lunar Space Institute, UHH Astrophysics Club, Visitor Information Station and many others will be open for viewing. Imiloa Astronomy Center of Hawai`i, 600 Imiloa Pl., Hilo.  9 a.m. to 4 p.m.  For information call…