I'm gonna go with 5.
I liked 3 and 4 too.
3 was a bit too light, it should have the dark background to signify space.
4 was very colorful but it didn't look like an explosion of star (=supernova)
Winder Anime: DuRaRaRa!!, Baka to Test, Dance in the Vampire Bund Spring Anime: Ichiban, Angel Beats!, Arakawa Under the Bridge Currently Watching
Bleach, Seto No Hanayome, Kekkaishi