Coolest spacecraft ever in orbit around L2

Last night, the detectors of Planck's High Frequency Instrument reached their amazingly low operational temperature of -273.05°C, making them the coldest known objects in space. The spacecraft has also just entered its final orbit around the second Lagrange point of the Sun-Earth system, L2.

Link: http://www.esa.int/esaCP/SEM0Y5S7NWF_index_0.html

Time: 3. Jul. 2009

Feed: ESA Top News

Topics: around, orbit, spacecraft