... A non-linear relationship is observed between the sky brightness on clear and overcast nights, with a change in behavior near the rural to urban landuse transition. ... The great variation in skyglow radiance observed from site-to-site and with changing meteorological conditions underlines the need for a long-term international monitoring program. he introduction of artificial light has caused an unprecedented disruption to the nighttime environment over large areas of the Earth. ... Data processing...

. (Data examples) . Russian (WIN) . 19/03/1997 9:21 GMT . Visible Channel . (667K) . 19/03/1997 19:03 GMT . Visible Channel . (726K) . For information send a mail to: burc@planet.iitp.ru . All rights reserved. © 1996-2002 SMIS IKI RAN and SRC PLANETA, Moscow, Russia.

... Space activity at the beginning of XXI-st Century view from inside G.M.Chernyavskiy STC for Earth Space monitoring of FSUE , Russia 1. The systemic approach in astronautics Everyone who has linked his life with astronautics and those who are interested in the future of the inhabitancy medium and its expansion up to cosmic scales, are troubled about the current state and development of space activity in the World and in the Native Land of the first artificial Earth satellite (AES). ...

... Более того, представитель компании Applied Space Resources (ASR), говорит о сроке в пять лет, по прошествии которого будет совершен первый полет к спутнику Земли. ... Для первого полета требуется около 1,5 миллиарда долларов. Лунный Договор, предложенный ООН в 1979 году, должен был ограничить область действия частных компаний. ... По словам экспертов, стоимость транспортировки вещества в космосе является заоблачной, варьируясь в пределах от 2000 до 3000 долларов за каждые 300 грамм груза. ...