zodiacal dust


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zodiacal dust

[zō¦dī·ə·kəl ′dəst]
(astronomy)
A cloud of dust that fills the plane of the solar system interior to the asteroid belt, and is responsible for zodiacal light.
References in periodicals archive ?
The scientists calculate that such a planetary body would cross the inner solar system every 25 million years on the average and during each transit, zodiacal dust, including a component of the solar system's living cells, becomes implanted at its surface.
The new theory is inspired by our own Solar System, where the so-called zodiacal dust is known to originate from collisions between solid bodies such as asteroids and comets.
More than 30 years after he started his research, in 2007 he finally completed his PhD in astrophysics, entitled A Survey of Radial Velocities in the Zodiacal Dust Cloud.
Yesterday his thesis Radial Velocities in the Zodiacal Dust Cloud was ready to hand in at Imperial College, London.
And now he has handed the catchily titled 48,000-word tome, Radial Velocities in the Zodiacal Dust Cloud, to tutors at his old university, Imperial College London.
The 48,000-word tome, Radial Velocities in the Zodiacal Dust Cloud, was stored in the loft of his home in Surrey.
1 Which well-known rock guitarist with an entirely serious interest in astronomy has just handed in his PhD thesis, on Radial Velocities in the Zodiacal Dust Cloud?
We find that the dust of asteroids is not stirred up enough over its lifetime to make the zodiacal dust cloud as thick as observed.
Luckily for would-be planet imagers, Spitzer observations show that extremely bright zodiacal dust disks aren't commonly found around old Sun-like stars.
But since they observed at a longer wavelength, where zodiacal dust adds noise to the data, their temperature estimate of 1,130[degrees]K (1,580[degrees]F) is less precise.
Hinz will find out how much zodiacal dust surrounds 80 nearby stars.