Αποτελέσματα Αναζήτησης
19 Ιουλ 2022 · Jovian planets have rings because when they formed, some leftover material was caught by its gravitational field but was too far away for it to be pulled and integrated with the rest of the planet. At least that’s the most plausible theory that astronomers have.
Each of the Jovian planets has several characteristics in common. While Saturn’s bright rings are the most visible and well known, fainter and darker rings have . been seen around Jupiter, Uranus, and Neptune. The Jovian planets also are distinctive for having many moons.
Saturn is the only gas giant planet that has a prominent, easily observable ring system. However, observations have revealed that each of the Jovian planets have ring systems. Jupiter's ring is exceptionally faint.
5 Φεβ 1999 · The jovian planets (Jupiter, Saturn, Uranus, and Neptune) were observed by the two ISO spectrometers in the entire 2.3- to 180-μm wavelength range.
4 Απρ 2022 · Direct images of still-forming protoplanets embedded in disks around infant stars can provide critical clues as to where and how Jovian planets on all scales form.
All the jovian planets have ring systems. Rings are made of many tiny orbiting particles, rocks, and ice balls. Most rings are inside the Roche limit of the host planet. Rings flatten and spread due to collisions, but embedded moonlets and larger exterior moons can keep ring segments in place.
1 Νοε 2004 · Targeted ISS observations of the jovian ring took place between December 11, 2000 and January 16, 2001. During these 5 weeks, Cassini's trajectory took it from 3.5° above the equator, to 3.2° below. On December 31, 2000 the spacecraft passed through Jupiter's ring plane; the spacecraft's closest approach to Jupiter occurred earlier the same day.
