claim: Trouble with the Curve is a film.
evidence: NGC 6946 -LRB- also tentatively known as the Fireworks Galaxy -RRB- is an intermediate spiral galaxy about 22 million light-years away , in the constellations Cepheus and Cygnus .. NGC. New General Catalogue. Cepheus. Cepheus ( constellation ). Cygnus. Cygnus ( constellation ). intermediate spiral galaxy. intermediate spiral galaxy. In the Catalogue of Named Galaxies , it is called ` Pyrobolus Cygni ' , or the `` Fireworks Galaxy '' , because of the record number of supernovae discovered in it .. It was discovered by William Herschel on 9 September 1798 .. William Herschel. William Herschel. NGC 6946 is highly obscured by interstellar matter of the Milky Way galaxy , as it is quite close to the galactic plane .. NGC. New General Catalogue. interstellar matter. interstellar matter. Milky Way galaxy. Milky Way galaxy. galactic plane. galactic plane. The true diameter of the galaxy is approximately 40,000 light-years or just about one-third of the Milky Way 's size .. In the past century , ten supernovae have been observed to explode in the arms of this galaxy , which has been classified as a starburst galaxy .. starburst galaxy. starburst galaxy. Chandra Space Telescope observations have , in fact , revealed three of the oldest supernovae ever detected in X-rays , giving more credence to its nickname .. Chandra Space Telescope. Chandra Space Telescope. This composite image also includes optical data from the Gemini Observatory in red , yellow , and cyan .