throwing out energetic, chaotic spumes in all directions. Inside, it was knotted with proplyds, the glowing protoplanetary disks condensing out of the maelstrom. At the heart lay the Trapezium, the four hottest, massive stars, whose phenomenal ultraviolet output illuminated and energized the whole colossal expanse of interstellar gas.

Joshua had come to adore the infinitely varied topology of the nebula as they’d slowly flown out of Confederation space to soar around it. It was alive in a way no physical biology could match, its currents and molecular shoals a trillion times as complex as anything found in a hydrocarbon-based cell. The young, frantic stars which cluttered the interior were venting tremendous storms of ultra-hot gas, propagating shockwaves that travelled over a hundred and fifty thousand kilometres an hour. They would take the form of loops which curled and twisted sinuously, their frayed ends shimmering brightly as they fanned away the wild energy surging along their length.

For the crews in both Lady Mac and Oenone , watching the nebula had replaced all forms of recorded entertainment. Its majesty had lightened their mood considerably; theirs was now a true flight into history, no matter what the outcome.

Joshua and Syrinx had decided on flying around the galactic south of the nebula, an approximation of Tanjuntic-RI’s flightpath. During the first stages they’d utilized observations from Confederation observatories to navigate around the quirky folds of cloud and glimmering prominences visible from human space, even though the images were over 1,500 years out of date. But after the first few days they were traversing space never glimpsed by human telescopes. Their speed slowed as they had to start scanning ahead for stars and dust clouds and parsec-wide cyclones of iridescent gas.

Long before Mastrit-PJ itself was visible, its light coloured the cooler outer strands of the nebula. The ships flew onwards with its thick red glow deepening around them. As soon as the star rose into full view 700 light-years ahead, parallax measurements enabled Oenone to calculate its position, enabling them to plot an accurate trajectory straight for it.

Now Joshua was piloting Lady Mac to her penultimate jump coordinate. Radar showed him Oenone 1,000 kilometres away, matching their half-gee acceleration. The burn was stronger than Adamist ships usually employed, but they hadn’t been altering their delta-V much during the flight round the nebula, choosing to wait until they got a fix on Mastrit-PJ before matching velocity with the red giant.

“Burn rate is holding constant,” Samuel said, after they’d run their diagnostic programs. “You have some quality drive tubes here, Joshua. We should have just under sixty per cent of our fusion fuel left when we jump in.”

“Good enough for me. Let’s hope we don’t soak up too much delta-V searching for the redoubt. I want to hold all the antimatter in reserve for the Sleeping God.”

“You are positive about the outcome, then?”

Joshua thought about the answer for a moment, mildly surprised by his own confidence. It was a pleasant contrast to the disquiet he felt over Louise. Intuition, a tonic against conscience. “Yeah. Guess I am. That part of it, anyway.”

The orange vector plot which the flight computer was datavising into his neural nanonics showed him the jump coordinate was approaching. He started reducing their acceleration, datavising a warning to the crew. Samuel began retracting the sensor booms and thermo-dump panels.

Lady Mac jumped first, covering two and a half light years. Oenone shot out of its wormhole terminus six seconds later, a healthy hundred and fifty kilometres away. Mastrit-PJ wasn’t quite a disk, though its brilliant glare would make it hard for the naked eye to tell. From a mere half light-year distance its red light was sufficient to wash out the nebula and most of the stars.

“I’ve been hit by lasers with less power,” Joshua muttered as the sensor filters cut in to deflect the rush of photons.

“It’s only recently ended its expansion phase,” Samuel said. “In astrological terms, this has only just happened.”

“Stellar explosions are fast events. This happened fifteen thousand years ago, at least.”

“Once the initial expansion occurs, there is a long period of adjustment within the photosphere as it stabilises. Either way, the overall energy output is most impressive. As far as this side of the galaxy is concerned, it outshines the nebula.”

Joshua checked the neuroiconic displays. “No heat, and precious little radiation. Particle density is up on the norm, but then it’s been fluctuating the whole time we’ve chased round the nebula.” He datavised the flight computer to establish a communication link with Oenone . “How are we doing with the final coordinate?”

“I was pleasingly correct with my earlier estimates,” the voidhawk replied. “I should have the final figure ready for you in another five minutes.”

“Fine.” After their first sighting of Mastrit-PJ, Joshua had checked the figures which Oenone had supplied a couple of times, out of interest rather than distrust. Each time they’d been better than any reading Lady Mac ’s technological sensors could provide. He didn’t bother after that.

“We should be able to measure the photosphere boundary to within a thousand kilometres,” Syrinx datavised. “Defining exactly where it ends and space begins is problematical. Theory has an effervescence zone measuring up to anything between five hundred to half a million kilometres thick.”

“We’ll stick to plan-A, then,” Joshua datavised back.

“I think so. Everything’s checked out as we expected so far. Kempster has activated every sensor we’re carrying, recording it like flek memories are infinite. I expect he’ll let us know if he and Renato spot any anomalies.”

“Okay. In the meantime I’ll plot an initial vector to leave Lady Mac with a neutral relative velocity. I can refine it when you’ve finished working out the coordinate.” He suspected Oenone could supply him with the appropriate vector within milliseconds. But damn it, he had some pride.

Lady Mac ’s star trackers locked on to the new constellations they’d mapped. He brought his navigation programs into primary mode and began feeding in the raw data.

Joshua and Syrinx had decided on an interval of several hours before making the final jump to Mastrit-PJ. Partly it was due to their lack of knowledge on its real position and size. Once that was determined, they intended to emerge in the ecliptic plane, a safe distance above the top of the photosphere, with their velocity matched perfectly to the star’s. It meant the only force acting on them would be the star’s gravity, a tiny tide-like pull inwards. From that vantage point they would be able to scan space for a considerable distance. Logically, the remnants of the Tyrathca’s redoubt civilization should be orbiting the star’s equator. Possibly on a Pluto-type planet that had survived the explosion, or a large Oort-ring asteroid. Although the volume of space was admittedly huge, by jumping in steady increments round Mastrit-PJ’s equator they should eventually be able to find it.

Oenone would also spend the time to completely recharge its energy patterning cells from cosmic radiation, saving its fusion fuel. Not only would that prepare the voidhawk to carry out the search, it would then have the ability to withdraw across a considerable distance, matching Lady Mac ’s sequential jump facility should they unwittingly enter a hostile armed xenoc environment. That was an imaginative worst-case scenario dreamt up by Joshua, Ashly, Monica, Samuel, and (surprisingly) Ruben; which everyone else cheerfully told them verged on outright paranoia. As it turned out, they’d done quite a good job.

A star is a perpetual battleground of primal forces, principally those of heat and gravity which manifest themselves as expansion and contraction. At its core, a main-sequence star is a giant hydrogen fusion reaction, heating the rest of the mass sufficiently to counter gravitational contraction. However, fusion is only as finite as its fuel supply, while gravity is eternal.

After billions of years of steady luminescence, Mastrit-PJ exhausted the hydrogen atoms of its core, burning

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