... TELEPHONE (818) 354-5011 http://www.jpl.nasa.gov PHOTO CAPTION P-47065 July 10, 1996 A mixture of terrains studded with a large impact crater is shown in this view of the Uruk Sulcus region of Jupiter's moon Ganymede taken by NASA's Galileo spacecraft during its first flyby of the planet-sized moon on June 27, 1996. The image shows fine details of bright areas that make up about half of the surface of Ganymede. ... The image was taken on June 27 at a range of 7,448 kilometers (4.628 miles). ...

... December 8, 1996 . Degas Ray Crater on Mercury . ... Explanation : Like the Earth's Moon, Mercury is scarred with craters, testifying to an intense bombardment during the early history of the Solar System. ... In the above mosaic the bright rays emanating from the 27 mile wide Degas crater almost appear to be painted on . The rays consist of light colored material blasted out during the crater's formation. Numerous smaller, younger craters are seen superposed on the Degas crater itself. ...

... Тематические конференции: Общая астрономическая , Astro.com.ru , у "Звездочета" ; . ... Рейтинг страниц в теме: . Астрономические обсерватории (и их подразделения). ... Оценено и сдано в архив! . ... Laboratory of photographic astrometry of Pulcovo Observatory . ... Главная астрономическая обсерватория (Пулково) . ... Group of the Sun study (SAO) . ... Laboratory of radio-astronomical observations (SAO) . ... CODE laboratory (SAO) . ... НАЗАД, В СПИСОК КАТЕГОРИЙ (титульная страница AstroTop-100) . ...

Supernovae 2011ae in MCG -3-30-19 . This page is devoted to information on Supernova 2011ae in MCG -3-30-19 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . ... Discovered by Catalina Real-Time Transient Survey and Stan Howerton as part of their Supernova Hunt . ... This supernova is in the Constellation Crater . ... 2011/02/12.43 . ... Joseph Brimacombe . ... JM Llapasset . ... Back to Bright Supernovae - 2011 . ...

... Here is a brief outline of the current theory of the events in the early history of the solar system: . A cloud of interstellar gas and/or dust (the "solar nebula") is disturbed and collapses under its own gravity. ... The gas cools off enough for the metal, rock and (far enough from the forming star) ice to condense out into tiny particles. (i.e. some of the gas turns back into dust). ... Once the larger of these particles get big enough to have a nontrivial gravity, their growth accelerates. ...