Across the room, a knot of lines, no bigger than her palm, caught her attention. Unlike elsewhere on the curving walls, the lines—

Crack!

Kira glanced toward the sound just in time to see a melon-sized rock dropping toward her from the opening in the ceiling.

She yelped and stumbled forward awkwardly. Her legs tangled, and she fell onto her chest, hard.

The rock slammed into the floor behind her, sending up a hazy billow of dust.

It took Kira a second to catch her breath. Her pulse was hammering again, and at any moment, she expected alarms to sound and some hideously effective countermeasure to dispose of her.

But nothing happened. No alarms blared. No lights flashed. No trapdoors opened up beneath her. No lasers poked her full of tiny holes.

She pushed herself back onto her feet, ignoring the pain. The dust was soft beneath her boots, and it dampened the noise so the only sound she heard was her feathered breathing.

The pedestal was right in front of her.

Dammit, Kira thought. She should have been more careful. Her instructors back in school would have ripped her a new one for falling, even if it was a mistake.

She returned her attention to the pedestal. The depression in the top reminded her of a water basin. Beneath the pooled dust were more lines, scribed across the inner curve of the hollow. And … as she looked closer, there seemed to be a faint blue glow emanating from them, soft and diffuse beneath the pollen-like particles.

Her curiosity surged. Bioluminescence? Or was it powered by an artificial source?

From outside the structure, she heard the rising roar of the shuttle’s engines. She didn’t have long. No more than a minute or two.

Kira sucked on her lip. If only she could see more of the basin. She knew what she was about to do was wrong, but she couldn’t help it. She had to learn something about this amazing artifact.

She wasn’t so stupid as to touch the dust. That was the sort of rookie mistake that got people eaten or infected or dissolved by acid. Instead, she took the small canister of compressed air off her belt and used it to gently blow the dust away from the edge of the basin.

The dust flew up in swirled plumes, exposing the lines beneath. They were glowing, with an eerie hue that reminded her of an electrical discharge.

Kira shivered again, but not from cold. It felt as if she were intruding on forbidden ground.

Enough. She’d tempted fate far more than was wise. Time to make a strategic retreat.

She turned to leave the pedestal.

A jolt ran up her leg as her right foot remained stuck to the floor. She yelped, surprised, and fell to one knee. As she did, the Achilles tendon in her frozen ankle wrenched and tore, and she uttered a howl.

Blinking back tears, Kira looked down at her foot.

Dust.

A pile of black dust covered her foot. Moving, seething dust. It was pouring out of the basin, down the pedestal, and onto her foot. Even as she watched, it started to creep up her leg, following the contours of her muscles.