... Mark Abernathy, Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD, 21218, U.S.A. (abernathy@stsci.edu) . Alberto Accomazzi, SAO, 60 Garden Street, Cambridge, MA, 02138, U.S.A. (aaccomazzi@cfa.harvard.edu) . Nancy Adams-Wolk, SAO, Mail Stop 81, 60 Garden Street, Cambridge, MA, 02138, U.S.A. (nadams@head-cfa.harvard.edu) . ... 02138, U.S.A. (mo@cfa.harvard.edu) . ... Martin Zombeck, SAO, 60 Garden Street, Cambridge, MA, 02138, U.S.A. (mzombeck@cfa.harvard.edu) . ...

... Bad Astronomy . Misconceptions . ... I staggered groggily back into my room, and headed into the bathroom to shower. ... There was a face in the shower curtain, looking directly at me . ... With terrible certainty, I knew that this was the face of a dead man, come to see me in the shower. ... Lenin. ... What's going in here is that the face of "V.I. Lenin" is in fact water from my arm that got absorbed by the lining of my shower curtain when I opened it to get my towel. ... 2008 Phil Plait. ...

... 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...