... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit–їs . ... des interviews, des portraits . les plus belles images de l'Univers d–їcrypt–їes pour vous . ... Accueil Ce week-end, c'est les Rencontres du Ciel et de lвАЩEspace 2014 ! ... Du 8 au 11 novembre 2014, les passionn–їs d'astronomie convergent vers la Cit–ї des sciences, –Љ Paris, pour assister –Љ plus de 100 conf–їrences et d–їcouvrir des dizaines d'exposants. ...

... 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...

September 2006 ASTRONOTES Incorporating FRIENDS' NEWSLETTER Record-breaking Relaunch Antarctica's Stardust Memories Martian Muddle Sizing up Space Puzzling Planemos ARMAGHPLANETARIUM 2 Astronotes September 2006 Record-Breaking Relaunch By Julie Thompson, Digital Theatre Manager Our relaunch has been a terrific success. ... This is a phenomenal relaunch after being closed for six years. ... Effectively, thanks to this downfall of space-stuff, the Earth's mass is increasing as time goes by. ...