The Dark Forest Hypothesis: The Terrifying Reason Why We Should Stop Broadcasting Earth’s Location
One of the many possible solutions to the Fermi Paradox, the dark forest hypothesis suggests that we haven’t heard from
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astrophysics
The Italian Smorgasbord Happening Inside Neutron Stars
The extraordinarily dense insides of neutron stars serve up large portions of the strongest known substances: quantum spaghetti, lasagna, bucatini, gnocchi, and waffles for dessert.
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Why Is the Night Sky Dark? The Profound Solution to Olbers’ Paradox
It may seem silly to wonder why it’s dark at night, but with so many stars in the universe, the night sky should be completely illuminated, a conundrum today known as Olbers’ paradox.
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Rocketing Towards the Dreaded Kessler Syndrome
Earth has a space junk problem. The amount of debris from the collisions of orbiting manmade objects is growing, bringing us closer to the Kessler Syndrome, in which launching new spacecraft and satellites is impossible.
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The Universe Is Being Ripped Apart
Einstein’s Relativity tells us the speed of light is the universal speed limit. Distant galaxies, though, are moving away from us much faster due to the expansion of spacetime, which will eventually rip the universe apart.
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There Are No Green Stars
When astrophysicists peer into the universe, they see a rainbow spectrum of stars, from cooler red ones on one side to hotter blue ones on the other. In the center of the spectrum, they should see green stars, but they don’t due to the nature of stars and the limitations of the human eye.
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The Milky Way Should Be Full of Intelligent Civilizations
Plugging new measurements into the famous Drake Equation suggests our galaxy should be bustling with activity.
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