Further Reading

S. Ornes. “Feasting black hole.” Science News for Students. Aug. 9, 2013.

S. Ornes. “Super star-maker.” Science News for Students. Sept. 4, 2012.

S. Ornes. “Galactic mashup.” Science News for Students. June 18, 2012.

E. Sohn. “Big galaxy swallows little galaxy.” Science News for Students. Aug. 19, 2003.