Astronomy Picture of the Day . NGC 4314: A Nuclear Starburst Ring . ... WFPC2 , HST , NASA Explanation: Is this old galaxy up to new tricks? The barred spiral galaxy NGC 4314 is billions of years old, but its appearance has changed markedly over just the past few millions of years. ... Further study of NGC 4314 might help astronomers understand how the inner and outer parts of this galaxy interact, and what caused this unusual ring of star formation. ... Starburst Ring in Galaxy NGC 1317 . ...