comae background

comae

/ˈkoʊmi/ /ˈkoʊˌmeɪ/

Illustration comae - Image 1

noun

Chevelure, nuage de poussière

A cloud of dust surrounding the nucleus of a comet.

Examples :

"As the comet neared the sun, its comae, a fuzzy cloud of dust and gas, became increasingly visible through telescopes. "

À mesure que la comète approchait du soleil, sa chevelure, un nuage flou de poussière et de gaz, devenait de plus en plus visible à travers les télescopes.

astronomy space science physics nature

Illustration comae - Image 1

noun

Coma

A defect characterized by diffuse, pear-shaped images that in an ideal image would appear as points.

Examples :

"The cheap telescope produced images with noticeable comae, causing the stars near the edge of the field of view to appear as blurry, comet-like streaks instead of sharp points. "

Le télescope bon marché produisait des images avec des comas notables, ce qui donnait aux étoiles près du bord du champ de vision l'apparence de stries floues en forme de comète au lieu de points nets.

medicine physics technical

Illustration comae - Image 1

noun

Touffe, houppe

A tuft or bunch, such as the assemblage of branches forming the head of a tree, a cluster of bracts when empty and terminating the inflorescence of a plant, or a tuft of long hairs on certain seeds.

Examples :

"The dried comae atop the pineapple plant indicated that the fruit was nearing ripeness. "

Les touffes séchées au sommet de l'ananas indiquaient que le fruit approchait de la maturité.

nature plant biology part