The eyes in the sky
I was pretty upset to hear that Hubble’s main imaging system is down again, possibly permanently – now where am I going to get fresh desktop wallpapers from? However, it seems that Hubble’s successor, the James Webb Space Telescope, is shaping up well – Centauri Dreams explains how it uses microscopic shutters to milk far more from its 8 million pixels than that DSLR you got for Christmas can manage.
