Comets

n.

彗星( comet的名词复数 )；

Comets in the Post-Halley Era
Comets in the Post-Halley Era
Comets in the post-Halley era. Vols. 1 & 2
Comets and the formation of biochemical compounds on the primitive Earth--a review.
A Comet Model. II. Physical Relations for Comets and Meteors.
The Long-Term Dynamical Behavior of Short-Period Comets
The Ensemble Properties of Comets: Results from Narrowband Photometry of 85 Comets, 1976-1992
From the Kuiper Belt to Jupiter-Family Comets: The Spatial Distribution of Ecliptic Comets ☆
Environmental perturbations caused by the impacts of asteroids and comets
Organic Molecules in the Interstellar Medium, Comets, and Meteorites: A Voyage from Dark Clouds to the Early Earth