For your weekly viewing pleasure, here are this week's large-scale versions of the channel photos.
(Have a photo you'd like to send in? Email it to photos@scienceblogs.com, or assign the tag "sbhomepage" to one of your photos on Flickr. Note: be sure to assign your photo an "attribution only" or "share and share alike" Creative Commons license so that we can use it.)
First photo here, the rest below the fold.
From Flickr, by josef.stuefer
Characteristic spectrum of hydrogen as seen through a diffraction grating, from Flickr, by mirrorgirl
A wind farm, from Flickr, by eurodana
"Grand Street painter," from Flickr, by moriza
From Wikimedia Commons
From Flickr, by elroySF
From the Drug Store Museum in Guthrie, Oklahoma, from Flickr, by KB35
From Flickr, by neurollero
Clocks at the Conservatoire National des Arts et Metiers, in Paris, from Flickr, by Thomas Claveirole