Erica Ellington, who became fascinated with the universe when she was only 5 years old, this week will take Fiske Planetarium audiences out to the distant star clusters previously visited only in science fiction. The assistant professor in the University of ÃÛÌÇÖ±²¥ at BoulderÂ’s department of astrophysics and planetary sciences, will present public programs on "Galaxies at the Edge of the Universe," on Tuesday, Jan. 12, and Friday, Jan. 15, at 7:30 p.m.