The whole house had a layer of fine dust that had settled on all the surfaces.
Direct contact of molten lava with water or ice also leads to explosions which eject fine dust.
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"The system is very chaotic and collisions are spraying up a huge cloud of fine dust, " Su said.
Levels of nitrogen dioxide and fine dust particles emitted will be analysed.
The inhalation of these fine dust particles represents a health hazard that was known to the military as long ago as 1974.
The Spitzer team, led by Kate Su of the University of Arizona, Tucson, says the giant cloud of fine dust around the disk is very unusual.
The enormous shroud of fine mineral dust particles now stretches from the Arctic Circle in the north to the French Mediterranean coast in the south, and from Spain into Russia.
Others work on their laptops, covered in layers of fine Devon Island dust that threatens to damage the machines.
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Then it was coming down on us, like fine pollen, like yellow dust.
The title track to his latest CD Devils and Dust (audio) is as fine as anything he's ever written.
Some of the fine layers on Mars may have formed by the slow accumulation of dust and ice, perhaps only 100 micrometers (0.004 inches) per year.
Later, after the buildings fell, a cameraman and I cut through the dust and walked toward ground zero, where the sky was filled with fine pieces of glass and acrid smoke.
Jesus came not as the expected earthly King adorned in fine raiment sitting on a throne but as an innocent baby in a stable amid the dust and grime of first century Palestine.
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