Starship Asterisk*

I became addict to APOD about two years ago, and the classes I just found make a fantastic use out of it. I want to thank prof Nemiroff for the great idea, and for the great classes, too. In fact, I would like to try something similar from my microbiology classes (the other end of the size scale). h...

Thanks for all the comments. The on-line pictures are great, although resolution and, of course, clouds, make them less informative (and more real, though). I guess some agency is updating the image somewhere.

Cheers,

Jose

Once again I am impressed by the picture of earth at night shown today in APOD. This is an increasing problem for astronmers, specially for amateur ones and, more importantly a symptom of energy wastefulness. It can be seen as a marker of electricity waste. It would be nice to see whether the curren...