Fifth planet (hypothetical) Fifth planet (hypothetical) In the history of astronomy, a handful of Solar System bodies have been counted as the fifth planet from the Sun. Under the present definition of a planet, Jupiter is counted as the fifth. There are three main ideas regarding hypothetical planets between Mars and Jupiter. During the early 19th century, as asteroids were discovered, they were considered planets. Jupiter became the sixth planet with the discovery of Ceres in 1801. Soon, three more asteroids, Pallas (1802), Juno (1804), and Vesta (1807) were discovered. They were counted as separate planets, despite the fact that they shared an
What Is Love? (EP) Korean album in April. On March 25, the agency announced that Twice would release their fifth EP titled "What Is Love?" on April 9. The first group image teaser was uploaded online the next day. The EP was released as a digital download on various music sites on April 9 while the physical album was released the following day. "Stuck", which was initially a "CD-only" track on the physical album, was released digitally on April 30. Credits adapted from album liner notes. What Is Love? (EP) What Is Love? (stylized as What is Love?) is the fifth extended play (EP)