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The intermediate time scale is between 1 and 30 days, with long term fallout occurring after that. Examples of both intermediate and long term fallout occurred after the 1986 Chernobyl accident, which contaminated over 20,000 km 2 (7,700 sq mi) of land in Ukraine and Belarus.
rayj .com. William Ray Norwood Jr. (born January 17, 1981), [1] known professionally as Ray J, is an American R&B singer, songwriter, television personality, and actor. Born in McComb, Mississippi, and raised in Carson, California, he is the younger brother of singer and actress Brandy Norwood. [3] In January 2017, he competed in the nineteenth ...
The raccoon ( / rəˈkuːn / or US: / ræˈkuːn / ⓘ, Procyon lotor ), also spelled racoon [3] and sometimes called the common raccoon or northern raccoon to distinguish it from the other species, is a mammal native to North America. It is the largest of the procyonid family, having a body length of 40 to 70 cm (16 to 28 in), and a body ...
Many of the fission products are either non-radioactive or only short-lived radioisotopes, but a considerable number are medium to long-lived radioisotopes such as 90 Sr, 137 Cs, 99 Tc and 129 I. Research has been conducted by several different countries into segregating the rare isotopes in fission waste including the "fission platinoids" (Ru ...
28.2 (in 2003) [14] Halley's Comet, Comet Halley, or sometimes simply Halley, officially designated 1P/Halley, is the only known short-period comet that is consistently visible to the naked eye from Earth, [15] appearing every 75–79 years. [1] It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061.
A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's shadow is smaller. Also, unlike solar eclipses, lunar eclipses are safe to view without any eye protection or special precautions.