What is the Cassini division?
Definition of Cassini division astronomy. : the dark region between the two brightest rings of Saturn A sequence of smoothly undulating brightness fluctuations is observed in the outer Cassini division within a band located between Cassini division120,000 and 121,900 km from the centre of Saturn.—
What are the names of the 13 rings of Uranus?
In order of increasing distance from the planet, the rings are called Zeta, 6, 5, 4, Alpha, Beta, Eta, Gamma, Delta, Lambda, Epsilon, Nu, and Mu. Some of the larger rings are surrounded by belts of fine dust.
Which gas giant has the most satellites?
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| Planet / Dwarf Planet | Confirmed Moons | Total |
|---|---|---|
| Jupiter | 53 | 79 |
| Saturn | 53 | 82 |
| Uranus | 27 | 27 |
| Neptune | 14 | 14 |
How many rings are there in Saturn?
When viewed from a distance, Saturn displays seven distinctive rings, according to NASA. These are simply named as the first seven letters of the alphabet. This ordering doesn’t correspond to their distance from the planet, but the order in which they were discovered. Each ring contains orbiting matter.
What is the Cassini Division quizlet?
Cassini Division. A relatively empty gap in saturn’s ring system, discovered in 1675 by giovanni Cassini. Contains a number of thin ringlets. Encke Gap. a small gap in Saturn’s A ring.
How is the Cassini Division created?
The largest of these gaps is called the Cassini division, after its French discoverer Jean D. Cassini. It is about 4,800 kilometers wide, although this varies quite a bit around the planet. The gaps are produced by the gravitational pull of one or more of Saturn’s many moons on the tiny particles in the rings.
Why is Uranus the only Greek named planet?
Uranus is the seventh planet from the Sun. Its name is a reference to the Greek god of the sky, Uranus, who, according to Greek mythology, was the great-grandfather of Ares (Mars), grandfather of Zeus (Jupiter) and father of Cronus (Saturn)….Uranus.
| Discovery | |
|---|---|
| Angular diameter | 3.3″ to 4.1″ |
| Atmosphere | |
| Scale height | 27.7 km |
Which planet has the largest natural satelite?
The seven largest natural satellites in the Solar System (those bigger than 2,500 km across) are Jupiter’s Galilean moons (Ganymede, Callisto, Io, and Europa), Saturn’s moon Titan, Earth’s moon, and Neptune’s captured natural satellite Triton.
Can you land on Saturn’s rings?
“You could be really daring and have the spacecraft try to land on a single large chunk within the rings, but with all the other pieces flying around, it would be a pretty dangerous place,” explains Dr. Marc Rayman, a scientist at NASA’s Jet Propulsion Laboratory.