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SCIENCE

What If You Could Build the Death Star?

What If | November 2, 2025

That’s no moon. It’s a space station. The enormous, planet-killing kind, designed for only one thing — to bring order to the galaxy. It’s Star Wars’ Imperial superweapon, the Death Star. What would it take to build one just like this? Where would we assemble the biggest weapon of mass […]


SCIENCE

What If Our Universe Collided With Another One?

What If | October 2, 2025

This pretzel-shaped collection of galaxies is our Universe. And it’s about to collide with another universe. It might be fascinating to watch, but we should probably be worried about what’s going to happen when they crash. How would it change the physics of our Universe? Is there any chance that […]


SCIENCE

What If There Is Life on Venus?

What If | September 11, 2025

Dive deeper and watch our interview with the co-author of the seminal paper in Nature Astronomy, MIT’s Professor Sara Seager: https://www.youtube.com/watch?v=O5Z6yX8F_oA Is alien life really out there? Humanity has wondered about it for decades, and according to scientists, this might finally be a reality. Astronomers have discovered there could be […]


SCIENCE

What If the Moon Exploded?

What If | September 8, 2025

Is it a meteor shower? Space debris? No, it’s something much, much worse. Our nearest neighbor is a full Moon no more. The Moon exploded and splintered into millions of fragments. Enormous lunar rocks are hurtling toward Earth. Could this wipe us off the face of the planet? How could […]


SCIENCE

What If Earth Were Sucked Into a Black Hole?

What If | August 28, 2025

Just 3,000 light-years from Earth is a black hole visible to the naked eye. Thankfully, we are a safe distance from this stellar black hole and many others like it. There are approximately 100 million of them out there in our galaxy that we know of. They are the remnants […]


SCIENCE

What If Each Planet Replaced Our Moon?

What If | August 25, 2025

Get 20% off your first order: https://trycaliper.com/whatif You can try Caliper CBD risk-free for 30 days. If you don’t love it, they’ll give you a full refund! We can thank the Moon for predictable weather, ocean currents and the circulation of important nutrients. The Moon also helps stabilize the Earth’s […]


SCIENCE

What If You Lit a Match on Jupiter?

What If | August 5, 2025

Atlas VPN 3-year offer with a 86% discount; https://atlasv.pn/WhatIf Jupiter is the largest planet in the Solar System. It’s 300 times more massive than Earth. But it’s less dense than our home. Uh-oh. Looks like somebody left the gas running on Jupiter. Don’t do anything stupid, like lighting a humongous […]


SCIENCE

What If Earth Was the Center of the Solar System?

What If | July 31, 2025

Get 20% off Grammarly Premium by signing up at https://www.Grammarly.com/WHATIF Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval astronomers were right, and everything does revolve around you? How would this change what we know about […]


SCIENCE

The Solar System Song | by the What If Channel

What If | May 8, 2025

Dedicated to Sullivan Jones (2012-2022), a bright young What If fan and part of the Underknown family forever. RIP ————————————————————————————————————– Get a chance to win our gorgeous What If 100 book! Comment your favorite line from the song and suggest what our next song should be about. The most creative […]




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