I thought some of you might like this:
Audio slideshow: Searching for space dust
For the past year - about a million miles from Earth - the infrared cameras on the Herschel Space Observatory have been capturing images of giant swirling clouds of cosmic dust.
Take a look with one of the Herschel mission's co-investigators, and former president of the Royal Astronomical Society, Professor Michael Rowan-Robinson.
Oh great - the world has just been replaced by elf machinery.
Sic transit gloria mundi