Johndale Solem origin of the shape of rubble-pile asteroids. His analytic theory of the breakup of comets by planetary tidal forces resulted in his calculation of the diameter and density of the parent comet of Shoemaker-Levy 9 as it was before breaking up in the tidal field of Jupiter in 1994 (1994a). Solem's research on interplanetary travel culminated in his MEDUSA concept, a nuclear explosive propelled spacecraft for interplanetary space travel (1994b). Gregory Matloff said this was "a surprising [propulsion] concept which might greatly reduce spacecraft mass." The concept inspired research and elaboration by the aerospace community. At the behest of NASA's
You Broke Up with Me previously lost deal with Capitol Records, and telling those in the music industry that they "broke up" with him. Before recording the song on Monument, Hayes recorded an earlier version of the song on an EP released independently via Shane McAnally's SMACKSongs. The music video was directed by Blythe Thomas. The song peaked at No. 9 on Hot Country Songs for charts dated February 17, 2018 where it stayed for 3 weeks. was certified Platinum by the RIAA on April 9, 2018. It has sold 397,000 copies in the United States as of March 2018. You Broke Up with Me