In 1690, Giovanni Cassini was the first person to suggest that Jupiter could not be a solid planet. He noted that the planet was rotating at different rates depending on the latitude (
![Giovanni Cassini (1625-1712), Italian astronomer. As director of the Paris Observatory, Cassini added greatly to our knowledge of the Solar System. He Stock Photo - Alamy Giovanni Cassini (1625-1712), Italian astronomer. As director of the Paris Observatory, Cassini added greatly to our knowledge of the Solar System. He Stock Photo - Alamy](https://c8.alamy.com/comp/2ACFKMF/giovanni-cassini-1625-1712-italian-astronomer-as-director-of-the-paris-observatory-cassini-added-greatly-to-our-knowledge-of-the-solar-system-he-2ACFKMF.jpg)
Giovanni Cassini (1625-1712), Italian astronomer. As director of the Paris Observatory, Cassini added greatly to our knowledge of the Solar System. He Stock Photo - Alamy
![14 September 1712 - Death of Giovanni Cassini, he made the first accurate measurement of the distance from the Earth to the Sun - Rincón educativo 14 September 1712 - Death of Giovanni Cassini, he made the first accurate measurement of the distance from the Earth to the Sun - Rincón educativo](https://rinconeducativo.org/wp-content/uploads/2023/08/Giovanni-Cassini.jpg)