Chapter 1

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DEDICATION For every child who has looked up and wondered.

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Zadie Okafor noticed it on a Tuesday.

She was lying on her back in the planetarium's observation garden — a small patch of grass behind the Northfield Community Planetarium where Dr. Gupta let her stargaze after hours — when she realized something was wrong with Orion.

Orion was supposed to have seven main stars. Belt, shoulders, knees, sword. Zadie had memorized the constellation when she was six years old and had been checking on it ever since, the way some people check on a neighbor's cat.

Tonight, Orion had six stars.

Betelgeuse was missing.

"That's not possible," Zadie said out loud.

She pulled out her phone and opened her star-tracking app. According to the app, Betelgeuse was right where it always was. But according to her actual eyes, it was gone.

Zadie was eleven years old, and she had wanted to be an astrophysicist since the day her father took her to the planetarium and Dr. Gupta showed her Saturn's rings through the big telescope. She knew that stars didn't just disappear. Stars lived for millions or billions of years. When they finally died, they went out spectacularly — supernovae that outshone entire galaxies.

They did not simply turn off like a lamp.

She ran inside to find Dr. Gupta, who was calibrating the planetarium projector for tomorrow's school group. Dr. Gupta was a small woman with silver hair and enormous glasses who treated every question from a child as though it deserved the same seriousness as a question from a PhD candidate.

"Dr. Gupta, Betelgeuse is gone."

Dr. Gupta looked up from the projector. "Gone?"

"Missing. I can see the rest of Orion, but Betelgeuse isn't there."

Dr. Gupta set down her tools and followed Zadie outside. She looked through Zadie's binoculars. She looked with her naked eyes. She went inside and checked the planetarium's own telescope.

"You're right," she said quietly. "It's not there."

"How is that possible?"

"I don't know. But I intend to find out."

"Stars don't disappear," Marco said flatly. They were sitting in the school cafeteria, and he was building a tower out of sugar packets while he thought.

"This one did," Zadie said.

"Then either the star is still there and something is blocking it, or our instruments are wrong, or our eyes are wrong." Marco knocked over his sugar tower and started rebuilding it. "Process of elimination. We test each possibility."

"I'll check the scientific databases," Priya said, already pulling out her tablet. "If Betelgeuse actually went supernova, it would be the biggest news in astronomy. Every telescope on Earth would be pointing at it."

But when Zadie looked up that night, the sky had lost another star.

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Over the next three nights, four more stars vanished.

First Rigel, Orion's other bright star. Then Sirius — the brightest star in the entire night sky — just winked out like someone had blown out a candle. Then Aldebaran in Taurus. Then Capella in Auriga.

Zadie kept a chart on her bedroom wall, marking each disappearance with a red X. Marco noticed the pattern first.

"They're all first-magnitude stars," he said, studying Zadie's chart during lunch. "The brightest ones. Whatever's happening, it's taking the brightest stars first."

"Like someone is turning off the lights," Priya said. "Biggest bulbs first."

The phrase stuck with Zadie. Turning off the lights. That was exactly what it felt like — as though someone was deliberately dimming the sky, one star at a time.

She went back to the planetarium that evening. Dr. Gupta was in the projector room, and she looked like she hadn't slept in days. The planetarium's star projector — a magnificent machine called an Ohira that cost more than most houses and could display nine thousand stars with perfect accuracy — sat in the center of the room like a mechanical jewel.

"Dr. Gupta? Are you okay?"

"I've been running diagnostics on the Ohira," Dr. Gupta said. "I wanted to make sure the planetarium show is still accurate, even if the real sky is... misbehaving. And I found something strange."

She turned the projector on. The dome above them filled with stars — thousands of them, a perfect map of the night sky as it should appear.

"Watch Betelgeuse," Dr. Gupta said.

Zadie watched. The star glowed orange-red in Orion's shoulder, exactly where it was supposed to be.

Then Dr. Gupta pressed a button, and the display switched from the projector's stored data to a live feed from the planetarium's rooftop telescope.

Betelgeuse vanished. And Rigel. And Sirius. The sky looked thin and strange, like a face missing its most important features.

"The projector remembers what the sky should look like," Dr. Gupta said. "But the telescope shows what's actually there. And they don't match."

Marco, who had followed Zadie to the planetarium, was examining the projector's base. "Dr. Gupta, what's this panel?"

He pointed to a small access panel at the bottom of the Ohira that Zadie had never noticed before. It was slightly ajar.

Dr. Gupta frowned. "That's the calibration access. It should be sealed." She knelt down and opened it.

Inside, connected to the projector's main control board by a single thin cable, was a small device that none of them recognized. It was about the size of a deck of cards, matte black, with a single blinking blue light.

"That is not part of the Ohira projector," Dr. Gupta said.

Priya took a photo of the device with her tablet. "Someone put this here. Someone has been modifying the planetarium's equipment."

"But wait," Zadie said. "The projector still shows the stars correctly. It's the real sky that's missing them. This device isn't affecting the projector — so what is it doing?"

NORTHFIELD LIGHT POLLUTION STUDY — PHASE 2

The three friends looked at each other.

"Light pollution," Zadie said slowly. "Of course."

The stars weren't disappearing. They were being drowned out.

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The investigation took two more days, and it led them somewhere none of them expected.

The device in the projector was a light sensor, placed there by a graduate student named Tom Huang who was studying how light pollution affected what people could see in the night sky. The sensor measured ambient light levels and correlated them with star visibility. Tom hadn't told Dr. Gupta because — as he sheepishly admitted when they tracked him down at the university — he thought she'd say no.

"I was afraid she'd think the study was criticizing the planetarium," Tom said. "But it's the opposite. I'm trying to prove that planetariums matter more than ever because people can barely see real stars anymore."

But the sensor wasn't causing the disappearing stars. That was a different problem entirely.

"New LED streetlights," Priya announced, spreading a city council document across the planetarium's worktable. "The city installed forty-seven new high-intensity LED streetlights in the Northfield neighborhood over the past month. They're three times brighter than the old ones."

"The light bounces off dust and moisture in the atmosphere and creates a glow," Dr. Gupta explained. "It's called skyglow. And it drowns out the fainter stars first, then the brighter ones as more lights are added."

"So the stars are still there," Zadie said. "We just can't see them."

"You can't see them from here," Dr. Gupta corrected. "If you went somewhere truly dark — away from all the artificial light — every single star would still be shining."

Zadie thought about this for a long time. The stars hadn't gone anywhere. They were exactly where they'd always been, burning steadily in the vast darkness of space. It was the light down here — the human light, the light meant to make people feel safe and comfortable — that was hiding them.

Something about that felt important in a way that went beyond astronomy.

"What do we do?" Marco asked.

"We can't get rid of streetlights," Priya said practically. "People need them."

"But we can change them," Tom said. "There are shielded fixtures that point light downward instead of letting it scatter into the sky. Warm-colored LEDs instead of blue-white ones. Dimming schedules for late at night. Cities all over the world are doing this."

"We could present to the city council," Zadie said. "Show them what we're losing."

That was how three eleven-year-olds, a planetarium director, and a nervous graduate student ended up at a Northfield City Council meeting, giving a presentation called "Bring Back Our Stars."

Dr. Gupta brought the planetarium's portable projector and showed the council what the sky looked like a hundred years ago versus what it looked like now. The difference was staggering. Where there had been thousands of stars, there were now dozens.

Zadie spoke last. She was nervous, but she thought about what Dr. Gupta had taught her — that every question deserves seriousness, whether it comes from a child or a professor.

"The stars are still there," she told the council. "Every single one. They haven't gone anywhere. We just made it so we can't see them. And I think —" She paused. She hadn't planned this part. "I think that happens with more than just stars. Sometimes the most important things are right in front of us, but we create so much noise and glare that we can't see them anymore. We just need to turn down the brightness a little. Not all the way. Just enough to see what's been there all along."

The council voted unanimously to begin a pilot program for dark-sky-friendly lighting.

That night, Zadie lay on her back in the planetarium garden. The new lights wouldn't be installed for months. The sky was still washed out and pale.

But she looked up anyway, and she found the stars she knew were there — even the ones she couldn't see — and she felt something she could only describe as wonder.

THE END

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ABOUT THE AUTHOR Crimson Ark Publishing creates stories about the questions that lead us to discovery — and the discoveries that lead us to wonder.