• Thumbnail for Roche limit
    In celestial mechanics, the Roche limit, also called Roche radius, is the distance from a celestial body within which a second celestial body, held together...
    13 KB (1,514 words) - 15:20, 1 October 2024
  • Thumbnail for Édouard Roche
    celestial mechanics. His name was given to the concepts of the Roche sphere, Roche limit, and Roche lobe. He also was the author of works in meteorology. He...
    4 KB (384 words) - 18:49, 18 August 2024
  • Thumbnail for Roche lobe
    the Roche limit, which is the distance at which an object held together only by gravity begins to break up due to tidal forces. The Roche lobe, Roche limit...
    14 KB (1,957 words) - 14:39, 29 July 2024
  • Thumbnail for Hill sphere
    Hill sphere (redirect from Roche sphere)
    such as the Laplace sphere or being named the Roche sphere, the latter causing confusion with the Roche limit. It was defined by the American astronomer...
    26 KB (2,936 words) - 21:35, 2 October 2024
  • siblings Roche limit (also known as the "Roche radius"), a concept in celestial mechanics Roche lobe, a concept in celestial mechanics Roche (spider)...
    2 KB (249 words) - 09:20, 8 April 2024
  • material originating from the protoplanetary disk that was within the Roche limit of the planet and thus could not coalesce to form moons, from the debris...
    39 KB (3,937 words) - 13:05, 25 September 2024
  • Thumbnail for Giant-impact hypothesis
    the ejecta of lighter crust and mantle fragments that went beyond the Roche limit and were not pulled back by gravity to re-fuse with Earth, with less...
    59 KB (6,849 words) - 22:24, 6 September 2024
  • Thumbnail for J1407b
    "Saturn on steroids". The radius of the disk extends far beyond J1407b's Roche limit at 0.001 AU (150 thousand km; 93 thousand mi), which allows exomoons...
    38 KB (3,839 words) - 17:55, 29 September 2024
  • Thumbnail for Rings of Saturn
    been named the Roche Division in honor of the French physicist Édouard Roche. The Roche Division should not be confused with the Roche limit which is the...
    137 KB (13,766 words) - 14:04, 22 September 2024
  • Thumbnail for Ordovician meteor event
    event may have been caused by an asteroid that passed within Earth's Roche limit and broke up into a ring system, material from which then deorbited and...
    8 KB (719 words) - 04:36, 26 September 2024
  • Thumbnail for Quaoar
    rings orbiting Quaoar outside its Roche limit, which defies theoretical expectations that rings outside the Roche limit should not be stable. Quaoar was...
    77 KB (6,359 words) - 16:50, 17 September 2024
  • Thumbnail for Moon
    the Moon into orbit far outside Earth's Roche limit. Even satellites that initially pass within the Roche limit can reliably and predictably survive, by...
    267 KB (25,998 words) - 22:49, 1 October 2024
  • Thumbnail for Tidal force
    breaking apart of celestial bodies and formation of ring systems within the Roche limit, and in extreme cases, spaghettification of objects. It arises because...
    23 KB (2,764 words) - 09:18, 30 September 2024
  • Thumbnail for Self-gravitation
    bodies passing each other in space, within the sphere defined by their Roche limit. In this way, relatively small bodies can be torn apart, though typically...
    9 KB (1,160 words) - 15:29, 1 October 2023
  • Thumbnail for Planet
    2023). "A dense ring of the trans-Neptunian object Quaoar outside its Roche limit". Nature. 614 (7947): 239–243. Bibcode:2023Natur.614..239M. doi:10...
    197 KB (20,760 words) - 10:27, 27 September 2024
  • the inner edge of the disk. The ISCO should not be confused with the Roche limit, the innermost point where a physical object can orbit before tidal forces...
    8 KB (1,347 words) - 23:12, 21 June 2024
  • Thumbnail for Origin of the Moon
    the Moon into orbit far outside Earth's Roche limit. Even satellites that initially pass within the Roche limit can reliably and predictably survive, by...
    30 KB (3,404 words) - 22:40, 30 September 2024
  • recreation of the game Beat Saber by YouTuber and game developer Emeral. ROCHE LIMIT: The Death of CMK - A 1,500-slide "dark, surrealist pixel art game" by...
    9 KB (1,030 words) - 19:52, 24 August 2024
  • 4 × 1026 J, 300 times smaller. Bringing the Moon's orbit within the Roche limit of Earth (within about 18,000 km (11,000 mi)) would also destroy it....
    13 KB (1,229 words) - 01:12, 5 September 2024
  • produced the L chondrite meteorites is believed to have passed Earth's Roche limit, leading to the body being torn apart and its debris being scattered...
    6 KB (612 words) - 13:54, 26 September 2024
  • at only 70% of its fluid Roche limit, as well as Neptune's moon Naiad. Naiad's density is unknown, so its precise Roche limit is also unknown, but if its...
    14 KB (1,655 words) - 20:29, 8 February 2022
  • Thumbnail for Metis (moon)
    orbit lies within the fluid Roche limit; however, because it has not broken up, it must lie outside its rigid Roche limit. Metis's orbit lies ~1,000 km...
    14 KB (1,263 words) - 17:35, 23 August 2024
  • At that time, the orbit of Shoemaker–Levy 9 passed within Jupiter's Roche limit, and Jupiter's tidal forces had acted to pull the comet apart. The comet...
    47 KB (5,510 words) - 23:49, 16 July 2024
  • Thumbnail for Timeline of the far future
    surface rock. 3.6 billion Neptune's moon Triton falls through the planet's Roche limit, potentially disintegrating into a planetary ring system similar to Saturn's...
    168 KB (7,419 words) - 00:45, 1 October 2024
  • Thumbnail for Adrastea (moon)
    actually lie within the fluid Roche limit. However, since it is not breaking up, it must still lie outside its rigid Roche limit. Adrastea is the largest contributor...
    14 KB (1,268 words) - 23:14, 21 July 2024
  • comet) passing close to the Roche limit, its size, which is inferred from its magnitude, affects not only the Roche limit but also the trajectory because...
    7 KB (947 words) - 06:36, 29 April 2024
  • Thumbnail for Solar System
    2023). "A dense ring of the trans-Neptunian object Quaoar outside its Roche limit". Nature. 614 (7947): 239–243. Bibcode:2023Natur.614..239M. doi:10...
    222 KB (21,916 words) - 18:42, 23 September 2024
  • Thumbnail for List of dates predicted for apocalyptic events
    Before the final collision, the Moon possibly spirals below Earth's Roche limit, breaking into a ring of debris, most of which falls to Earth's surface...
    92 KB (3,929 words) - 23:57, 2 October 2024
  • Gravitational binding energy Speed of gravity Newtonian limit Hill sphere Roche lobe Roche limit Phase space Symplectic manifold Liouville's theorem (Hamiltonian)...
    2 KB (187 words) - 18:09, 16 March 2022
  • insufficient to divert Earth's trajectory as it approaches Jupiter's Roche limit. MOSS broadcasts a final message to the world, but Peiqiang refuses to...
    36 KB (4,008 words) - 06:16, 12 September 2024