Wilson frowned at the bridge portals. The fluctuations were growing larger. And they weren’t going to find out why sitting out here peering over the parapet. Decision time.
“Hyperdrive, take us in to one million kilometers of the barrier,” Wilson ordered. “Defense, force fields on. Let’s see what’s happening.”
The rest of the bridge day shift arrived, sitting at the consoles that had been left unmanned, or standing behind the night shift. The atmosphere of nerves and genuine excitement was the same as Wilson remembered from the Eagle II’s cabin as they came in to land. He rubbed his hand slightly self-consciously over his creased white T-shirt before brushing his hair off his brow; the chair’s leather was already sticking to his bare legs below his sleep shorts. For a moment he considered hurrying off to change. It was hardly the most dignified image for history (and the onboard sensors were definitely recording), but then half the bridge crew was dressed the same. Ah, what the hell…
“One million kilometers, sir,” Sandy Lanier reported.
“Take us out of hyperspace.”
One of the portals switched to an image of pure aquamarine-blue. Dark streaks blossomed from the center, and peeled open. This time they didn’t have to switch the sensors to infrared to see the barrier.
“My God,” Tunde said hoarsely. “It’s becoming transparent.”
Dyson Alpha was wavering in and out of visibility thirty AUs ahead of them, only marginally brighter than the rest of the stars behind. The fluctuations indicated by the hysradar scan were inaccurate; the barrier wasn’t moving in any physical dimension, it was losing cohesion.
“Sensors, Defense, is there anything shooting at it?” Wilson asked desperately.
“No, sir. No energy of any kind. Local quantum state is also stable as far as we can tell. The barrier is… oh, wow! It’s gone! Hysradar scans are clear. The fucker’s vanished.”
Wilson stared at the two portals. The one with the gravitonic scan was empty. A second later, when the light reached them, Dyson Alpha burned steadily at the center of a colossal blank circle.
We’re still seeing the other side of the barrier, he realized, it’s going to take the light from the stars beyond over four hours to travel thirty AUs.
“Full passive sensor sweep,” Wilson ordered. “Show me what’s in there.”
“This can’t be coincidence,” Oscar said; he sounded shocked, even a little frightened. “It’s been there for over a thousand years, and then it vanishes just as we come along? No way. No goddamn way. Something knows we’re here.”
The bridge crew were looking around anxiously, seeking reassurance from one another. Wilson had been thinking along similar lines himself; quite a loud voice in his head was urging him to run. And don’t look back. The starfield was beginning to reappear around the edges of the barrier as light swept in toward the Second Chance. It gave the rather unfortunate impression of a giant mantrap opening its jaws.
Wilson turned to Tunde. “What’s the Dark Fortress doing?”
The physics section went into a fevered huddle over their consoles, running analysis routines over the hysradar scans. Wilson watched the results coming through on one of his desk screens, not that he could understand the details, but the overall impression was easy enough.
“There’s still something there,” Tunde said. “Hysradar scan shows it’s smaller than before. We’re probably picking up the outer lattice sphere. Wait—yes, it’s rotating. The shell has gone. And there’s a very strange quantum fluctuation signature inside it. That wasn’t there before.”
“A wormhole?” Wilson asked.
“No. I don’t recognize it at all.”
“Threat assessment?”
Tunde gave him a slightly irked look. “Nothing obvious. I’ll get back to you on that one.”
A picture of Dyson Alpha’s planetary system was building up on one of the bridge portals. The two gas giants were both smaller than Jupiter, orbiting at four and a half AUs and seventeen AUs from their star. The largest of the three solid planets had a diameter of fourteen thousand kilometers and orbited one point two AUs out from the sun. The remaining two were both smaller, and in mildly ecliptic orbits a lot farther out. They called the innermost planet Alpha Major and focused the starship’s main sensor suite on it.
“My God,” Sandy Lanier said. “Will you look at those readings.”
Alpha Major’s visual spectrum showed water on a scale that indicated oceans, and an oxygen-nitrogen atmosphere. It was also a strong source of neutrinos. “A very heavy level of fusion activity,” Russell commented. “I’d say total power generation exceeds our Big15 worlds combined.”
“What the hell uses that much power?” Oscar muttered.
A measurable percentage of it, they discovered, was pumped into communications; throughout the electromagnetic spectrum the planet was shining like a small nova. The starship’s RI began recording the multitude of overlapping signals, but without a key none of its decryption algorithms were of any use.