With thousands of satellites launched, is this the demise of astronomy and astrophotography from earth.
SpaceX Satellites Ruin Perfectly Good View of Comet NEOWISE
WWW.GIZMODO.CO.UK
Nowhere is safe from light pollution, not even space.
Looking at “Night-Shining” Clouds from the Stratosphere - Eos
EOS.ORG
One research group studied noctilucent clouds at large distances from a different point of view, using cameras aboard a...
Brightest Comets in 20th Century
WWW.FALLOFATHOUSANDSUNS.COM
A list of the brightest comets in the 20th century alongside their apparent magnitude
Also has links to 21st Comets and other interesting links.