Top 10 Ways Space Could Destroy Civilization As We Know It

Colliding Galaxies

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Few things in this list are guaranteed, but this one is a surefire hit. The Andromeda galaxy is hurtling through space at 110 kilometers per second (68 mps). In four billion years, it will collide with our own Milky Way, leaving a trail of gas and star dust in its wake.

Some stars will be destroyed in the head-on collision. Others will be thrown out of their galaxies entirely. The resulting back-and-forth of the two galaxies ripping apart and then being dragged back together will finally end in a supermassive black hole at the center and the birth of whole new galaxy.

Shifting Magnetic Fields

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Earth’s molten iron core generates a remarkable magnetic field. This plays a vital role in how species navigate and protects us from the Sun’s harmful radiation.

Every 200,000 to 300,000 years, the poles shift, reversing Earth’s magnetic field. What we know as the magnetic North Pole becomes the magnetic South Pole. As it’s been 800,000 years since the last magnetic flip, we’re about due for another.

Unfortunately for us, this flip doesn’t happen immediately. In fact, the reversal is extremely slow, taking up to 10,000 years to complete. During this time, the magnetic field moves around the planet, creating temporary smaller magnetic poles dotted across the Earth and weakening its overall strength.

This leaves us exposed to DNA-destroying radiation. If the magnetic field disappears altogether, there will be some devastating consequences.

Alien Invasion

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What is the current evidence of an alien invasion? Spaceships in the Baltic Sea, personal accounts of alien abductions, and the claims of former Canadian defense minister Paul Hellyer that at least four alien species live among us.

The debate on the existence of aliens is ongoing. However, with the acceptance that most suns come with a solar system of planets, that solar systems are bundled into galaxies, and that there could be up to 200 billion galaxies in the universe, it seems almost far-fetched to think we’re the only intelligent life-form out there.

Some of the world’s top scientists, including Stephen Hawking, proclaim that extraterrestrial life exists. In fact, there’s been a real push in the last five years to make contact.

But Hawking talks of the dangers of reaching out to a society whose intentions we know nothing about: “A civilization reading one of our messages could be billions of years ahead of us and vastly more powerful. They may not see us as any more valuable than we see bacteria.”

If history has taught us anything, it’s that the less advanced tend to fare far worse when it comes to war.

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