PORTLAND — Southworth Planetarium is offering another session of its Star Dome Astronomy Course.

The course covers constellation locations, planetary motions, reading star charts and more. No previous astronomy knowledge is needed.

It will take place at the planetarium at 96 Falmouth St.

Classes will be held from 7 to 9 p.m. Tuesdays, April 13 through May 18. Cost is $50 per person. To register, or for more information, call 780-4249.