Wiktionary
a. (context astronomy English) Moving towards a massive astronomical body under the influence of gravity
Usage examples of "infalling".
A long way below the suited man, at the center of whatever convoluted orbital path his body was now following, Avalon still rolled on about its business, gobbling megatons of infalling dust and gas, not in the least perturbed by whatever nearby antics some microscopic beings and machines might be up to.
The seedship buried itself in a heating protostar, raising shields against the infalling ice and stone.
One spot of ebony, backlighted with a flickering glow, plainly symbolized the black hole Ixpuztec, and a metallic-looking sphere, fringed with infalling radiance, was standing in for Avalon, the neutron star.
Infalling matter adds to their mass, until a family of protostars is formed.
The Moon's gray rocks, churned by eons of infalling micrometeors and whipped into a frozen froth, had an unfinished look about them, as if somebody had been blacktopping the place but stopped before he could apply the final smoothing touches.
They had woven in and out of the tendrils of gas, charting the infalling masses and exploring the rocky accretion disks of stars entering the main sequence.
Moments later a dozen antiship batteries on the surface surrendered their camouflage, opening fire on the infalling bombs.