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Hace 1 día · In 1675, Giovanni Domenico Cassini determined that Saturn's ring was composed of multiple smaller rings with gaps between them; the largest of these gaps was later named the Cassini Division. This division is a 4,800-kilometre-wide (3,000 mi) region between the A ring and B Ring.
Hace 5 días · It may be the same storm as the so-called “Permanent Spot” that was discovered in 1665 by Italian astronomer Gian Domenico Cassini and last seen in 1713. Detailed observations and measurements have been made by the Voyager and Galileo spacecraft.
- The Editors of Encyclopaedia Britannica
Hace 3 días · Giovanni Domenico Cassini, le patriarche de la famille, a jeté les bases de ce projet ambitieux. Ses travaux en astronomie et en géodésie ont permis de développer des techniques précises pour mesurer les distances et les angles.
Hace 5 días · Measurements by Jean Richer and Giovanni Domenico Cassini showed variances in gravitational acceleration, which led to a realization that Earth wasn’t a perfect sphere but an oblate spheroid. They, along with Newton, established that these gravitational variations affected the pendulum’s length.
Hace 4 días · Cassini is the largest interplanetary spacecraft ever constructed by NASA. It measures 6.8 m in length with a 4 m high gain antenna. At launch the spacecraft had a mass of 5,655 kg, of which 3,132 kg were propellant. Cassini is three-axis stabilized.
Hace 4 días · Kepler's laws of planetary motion served both to the discovery of Newton's law of universal gravitation and to the determination of the distance from Earth to the Sun by Giovanni Domenico Cassini. They both also used a determination of the size of the Earth, then considered as a sphere, by Jean Picard through triangulation of Paris ...
Hace 1 día · Fu proprio Rømer a determinare la velocità della luce nel 1676, osservando il moto di Io, una delle lune di Giove, mentre lavorava all’osservatorio reale di Parigi diretto al tempo da Giovanni Domenico Cassini.
