News tagged with sky brightness

Hubble observes glowing, fiery shells of gas

(Phys.org) —It may look like something from "The Lord of the Rings," but this fiery swirl is actually a planetary nebula known as ESO 456-67. Set against a backdrop of bright stars, the rust-colored object ...

Mar 04, 2013
5 / 5 (3) 41 | with audio podcast

The wings of the Seagull Nebula

(Phys.org)—This new image from ESO shows a section of a cloud of dust and glowing gas called the Seagull Nebula. These wispy red clouds form part of the "wings" of the celestial bird and this picture reveals ...

Feb 06, 2013
5 / 5 (3) 0 | with audio podcast

Image: Hubble peeks inside a stellar cloud

(Phys.org) -- These bright stars shining through what looks like a haze in the night sky are part of a young stellar grouping in one of the largest known star formation regions of the Large Magellanic Cloud ...

Apr 23, 2012
5 / 5 (4) 8 | with audio podcast

STAR TRAK for December

Venus will be at its dazzling brightest as December begins, appearing in the southwestern sky after sunset. This beautiful "evening star" will set two hours after the sun on Dec. 1 and an hour later at month's end.

Dec 01, 2011
not rated yet 0

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