Out of This Whirl: the Whirlpool Galaxy (M51) and Companion Galaxy

The large Whirlpool Galaxy (left) is known for its sharply defined spiral arms. Their prominence could be the result of the Whirlpool's gravitational tug-of-war with its smaller companion galaxy (right).

All items are printed on high quality semi-gloss paper with a satin finish and include a 0.5 inch white border on all sides to allow for matting and framing.