News tagged with night

Clouds amplify ecological light pollution

The brightness of the nightly sky glow over major cities has been shown to depend strongly on cloud cover. In natural environments, clouds make the night sky darker by blocking the light of the stars but around urban centers, ...

Mar 02, 2011 5 / 5 (4) 0

STAR TRAK for February 2011

Jupiter will be the only bright planet visible as evening twilight fades during February, coming into view in the southwest. At mid-northern latitudes, this will be the last month until July when Jupiter will ...

Feb 03, 2011 5 / 5 (1) 0