From SLAC Labs: “RASICAM Leaves for Chile and the Dark Energy Search”

May 25, 2011
by Lori Ann White

“Last week the SLAC-built Radiometric All Sky Infrared Camera, or RASICAM, passed its final acceptance test before being partially disassembled, crated up and shipped off to Arizona. Its final destination is Cerro Tololo Inter-American Observatory in Chile, where it will help the Dark Energy Survey Camera, DECam, search for dark energy – the unexplained force apparently making the expansion of the universe speed up.”

Team members Howard Rogers (left) and Peter Lewis (right) are reflected in the gold-coated hemispherical mirror of RASICAM – the Radiometric All Sky Infrared Camera. The mirror will collect… (Photo by Lori Ann White)

RASICAM, built at SLAC, will spend its nights searching for high-altitude cirrus clouds, the thin wispy clouds that are oftentimes a precursor to stormy weather, to determine which nights are clear… (Photo by Lori Ann White.)

See the full article here.