Документ взят из кэша поисковой машины. Адрес
оригинального документа
: http://www.arcetri.astro.it/irlab/Astro/solar/eng/comet/appenda.htm
Дата изменения: Sun Mar 15 05:21:00 1998 Дата индексирования: Sat Dec 22 13:17:52 2007 Кодировка: Поисковые слова: р р с с р с р р р р с р р р р р р п п р |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Event | Energy, J | Energy, Relative --------------------+--------------+----------------------- Two 3,500-lb. cars | 9.6 x 10^5 | 1 colliding head-on | | at 55 mph | | | | Explosion of 1 U.S. | 4.2 x 10^9 | 4,271 ton of TNT | | | | Explosion of a | 8.4 x 10^16 | 87,500,000,000 20-megaton fusion | | bomb | | | | Total U.S. annual | 1 x 1019 | 10,400,000,000,000 electric power | | production, 1990 | | | | Energy released in | ~ 9 x 10^21 | 9,375,000,000,000,000 last second of | | 10^13 kg fragment | | of Shoemaker-Levy 9 | | | | Total energy | 1.8 x 10^22 | 18,750,000,000,000,000 released by 1013-kg | | fragment of | | Shoemaker-Levy 9 | | | | Total sunlight on | 6.6 x 10^22 | 68,750,000,000,000,000 Jupiter for one day | | --------------------+--------------+----------------------- *1 BTU = 252 (small) calories = 1,055 J = 2.93 x 10-4 kWh.
Power Producer | Power, MW | Power, Relative ------------------------+-------------+------------------------ Hoover Dam. | 1,345 | 1 | | Grand Coulee Dam, final | 9,700 7.2 plant. | | | | Annual average, sum of | 320,000 | 238 all U.S. power plants. | | | | Average, impact of |~ 9 x 10^15 | 6,700,000,000,000t 1013-kg fragment of | | Shoemaker-Levy 9, | | final sec | | | | Sun | 3.8 x 1020 | 280,000,000,000,000,000 --------------------------------------------------------------- *1 horsepower = 745.7 W = 7.457 x 10-4 MW.
Object | Radius, km | Volume, km^3 -----------------------+-------------------------+-------------- Jupiter | 71,350 (Equatorial) | 1.4 x 10^15 | 67,310 (Polar) | | | Earth | 6,378 (Equatorial) | 1.1 x 10^12 | 6,357 (Polar) | | | Comet Shoemaker-Levy 9 | 4.5 (Equivalent sphere) | 382 | | Comet Halley | 7.65 x 3.60 x 3.61 | 365 ---------------------------------------------------------------- *1 mi. = 1.609 km
Object | Magnitude Vo | Relative Brightness --------------------+---------------+-------------------- Largest fragment of |~ -10 | 1,000 Shoemaker-Levy 9 | | during last second | | | | Jupiter | -2.5 | 1 | | Ganymede | 4.6 | 1/692 | | Io | 5.0 | 1/1,000 | | Largest fragment of | 23.7 | 1/30,000,000,000 Shoemaker-Levy 9 | | as viewed today | | --------------------+---------------+--------------------