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Cosmic dust – also called extraterrestrial dust, space dust, or star dust – is dust that occurs in outer space or has fallen onto Earth. [ 1 ] [ 2 ] Most cosmic dust particles measure between a few molecules and 0.1 mm (100 μm ), such as micrometeoroids (<30 μm) and meteoroids (>30 μm). [ 3 ]
Dust astronomy is a subfield of astronomy that uses the information contained in individual cosmic dust particles ranging from their dynamical state to its isotopic, elemental, molecular, and mineralogical composition in order to obtain information on the astronomical objects occurring in outer space. Dust astronomy overlaps with the fields of ...
Stardust was a 385-kilogram robotic space probe launched by NASA on 7 February 1999. Its primary mission was to collect dust samples from the coma of comet Wild 2, as well as samples of cosmic dust, and return them to Earth for analysis.
a funnel, shutter and collimator to control dust collection; a sample handling stage to collect and manipulate collected dust; an atomic force microscope. Dust collection is performed when close to the comet by opening the shutter and placing one of 61 targets directly behind the funnel. A collimator ensures that only one target at a time can ...
In 2010, VBSDC collected data on dust past 18 AU (1.67 billion miles), which is the distance the Pioneer 10 and Pioneer 11 dust counters stopped working. [2] Five other spacecraft have carried dust detectors beyond the asteroid belt including Pioneer 10, Pioneer 11, Ulysses (heliocentric orbit out to the distance of Jupiter), Galileo (Jupiter Orbiter), and Cassini (Saturn orbiter). [3]
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