Songfacts®:

• The Canadian Rock band Third Day Grace close Transit Of Venus with this track. Singer and guitarist Adam Gontier told Artist Direct: "It ended up being a great song to finish the record on. We weren't really sure where it was going to go in sequence on the album until the last minute when we decided. Throughout the record, there's some angst-y material and darker stuff. That song is a little more positive. It wraps up the album on a positive note. It's definitely one of my favorites."
• The transit of Venus takes place when the planet Venus passes directly between the Sun and Earth and can be seen by us as a small black disk moving across the face of the Sun. The transits occur in a pattern that generally repeats every 243 years, with pairs of transits eight years apart separated by long gaps of 121 and 105 years. The last one took place on June 5-6 2012, and you will have a long wait for the next transit, which will happen on December 10–11, 2117. Gontier told Artist Direct why he named the band's fourth album after the astronomical event. "Through the whole record, there was this whole idea of how the Transit Of Venus happens once every 200 years or whatever," he explained. "You see a little speck that crosses. In relation to the record, we write with that kind of vibe. The songs really come down to the fact that we're really just a little speck as well. To wrap it up, 'Unbreakable Heart' is a song about trying to stay strong and get through every day, taking it one day at a time."