exozodiacal dust

exozodiacal dust

[‚ek·sō·zō‚dī·ə·kəl ′dəst]
(astronomy)
Dust that appears to be orbiting within a few astronomical units of a star and may be analogous to the zodiacal dust in the solar system.
References in periodicals archive ?
Other astronomers, however, remain skeptical that the near-infrared glow is definitely exozodiacal dust. It's unclear whether the team is seeing starlight scattered off the dust, or heat emission from the dust itself, or instead emission from some stellar phenomenon.
Among other observations, astronomers plan to use it to measure exozodiacal dust around nearby stars--the equivalent of the zodiacal dust in our solar system, which results from collisions among asteroids and meteoroids.
Keck Obs.) (AGNs), hot Jupiters, exozodiacal dust VLT Interferometer Imaging and diameters of YSOs, (European Southern AGNs, and asymptotic-giant- Observatory) branch (AGB) stars; astrometry for extrasolar planets MIRA-I.2 (Univ.