Cologne


Astronomy Picture of the Day: Lunar Eclipse over Cologne Cathedral Why would a bright full Moon suddenly become dark? Because it entered the shadow of the Earth. More
Astronomy Picture of the Day: Sigma Octantis and Friends South pole star Sigma Octantis (of the constellation Octans) is on the left of this starry expanse spanning over 40 degrees across far southern skies. More

Astronomy Picture of the Day: Lunar Eclipse over Cologne Cathedral

Why would a bright full Moon suddenly become dark? Because it entered the shadow of the Earth.

Astronomy Picture of the Day: Sigma Octantis and Friends

South pole star Sigma Octantis (of the constellation Octans) is on the left of this starry expanse spanning over 40 degrees across far southern skies.