NR-1 Sinkhole interest, as sinkholes are generally believed to form only in environments which are subaerial, or exposed to the air. In contrast, the NR-1 Sinkhole is believed to be too deep underwater for the area to have been exposed to the air during formation in the Neogene. It was the first documented evidence suggesting that it is possible for karst sinkholes to form entirely underwater. NR-1 Sinkhole The NR-1 Sinkhole is a giant underwater sinkhole located in the Straits of Florida southwest of Key West, Florida. It is found at an approximate depth of of water at the foot of the
A Rickle in Time being and instructs Morty and Summer to break off their collars, but the resulting chain of uncertainty further splits their realities into dozens of different timelines. After defeating the testicle monster, Rick notes that time is falling apart. Summer's collar transports her back to her time, but one of the Mortys' collar is broken. With the garage falling away piece by piece, the Morty with the broken collar falls into the spaceless void and Rick jumps after him. He gives Morty his collar and instead prepares to face death. But then, Rick spots Morty's collar floating below him, fixes it,