Deimos and Phobos Interior Explorer that the moons of Mars may have formed after a huge collision with a protoplanet one third the mass of Mars that formed a ring around Mars. A third hypothesis is that they may have co-accreted with the parent planet. DePhine mission would explore the origin and the evolution of the two Martian satellites, by focusing on their interior structures and diversity. The mission would attempt to determine if Phobos and Deimos true siblings, originating from the same source and sharing the same formation scenario. It would also determine if both natural satellites are rubble piles or solid bodies, and
Two Is Better Than One Two Is Better Than One "Two Is Better Than One" is a song by the American rock band Boys Like Girls from their second studio album "Love Drunk" (2009). The song features American singer Taylor Swift. It was written by Martin Johnson and Swift and the song is the band's second official single from the album. On some advanced copies of the album sent to reviewers and members of the press, the song does not feature Swift, rather, Johnson handles all vocals. The track was a commercial success. By December 2011, "Two Is Better Than One" had sold 1,508,000 copies