dark band造句

The dark band across the image center is blocked by dust in the plane of our own Milky Way Galaxy.

a dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengths.

Messier 64 (M64) has a spectacular dark band of absorbing dust in front of the galaxy's bright nucleus, giving rise to its nicknames of the "Black Eye" or "Evil Eye" galaxy.