Hannah Young of the Bangor Public Library visited the studio of WVII (Channel 7) to advance a free public lecture by Shawn Laatsch, director of the Emera Astronomy Center and Maynard F. Jordan Planetarium at the University of Maine. In preparation for the Aug. 21 solar eclipse, Laatsch, who will speak at 5:30 p.m. Wednesday, read more WVII previews Laatsch’s solar eclipse talk at Bangor Public Library