"Nunca poste esse tipo de conteúdo":

"Como sobreviver a um assalto da forma mais segura":

“Aprenda a eliminar suas dívidas em 10 minutos”:

Outras forças superam a gravidade na Lua e, muito mais, em asteroides.
[quote]Why Touching Asteroid Bennu Is Harder Than Landing on the Moon

Universe Unlocked

NASA's spacecraft sank half a meter into asteroid Bennu's surface and nearly didn't escape. The physics of why simple contact becomes so dangerous in space is extraordinary.

On Earth, picking up a rock is effortless. Gravity and friction handle everything. But on asteroid Bennu, the same simple act of contact nearly buried an entire spacecraft. The OSIRIS-REx mission revealed that Bennu's surface isn't solid rock — it's a loosely bound cloud of particles held together by forces so weak that a casual human jump would achieve escape velocity.

This video climbs through the scales of contact physics, from your desk to the Moon to asteroid Bennu to a neutron star, showing how the same fundamental forces produce wildly different outcomes depending on where you are. Apollo astronauts discovered lunar dust that climbed their suits and refused to let go. The asteroid Bennu sample collection nearly ended in catastrophe when the surface collapsed like slow-motion quicksand. Rosetta's Philae lander bounced off a comet that was simultaneously exploding and frozen solid.

At every scale, the same physics governs contact — gravity, electrostatics, molecular cohesion — but their relative strength shifts dramatically. Forces you've never noticed on Earth become the dominant physics on a 500-meter rubble pile. And at the extreme end, on neutron stars, gravity wins so completely that the concept of touching ceases to exist.

The asteroid Bennu sample now in Houston contains amino acids, water-bearing minerals, and organic molecules older than Earth — pristine material from the birth of the solar system, collected in six seconds by a machine operating in a contact regime no human has ever experienced.

0:00 The Asteroid That Swallowed a Spacecraft

0:38 Apollo Astronauts vs Lunar Dust

4:30 Moon vs Asteroid Bennu: 27,000 Times Weaker

5:34 OSIRIS-REx Touches Bennu and Sinks

8:31 Comet 67P: Touching Something That's Exploding

9:55 Neutron Stars: Where Contact Means Annihilation

11:57 What the Asteroid Bennu Sample Reveals

12:18 How Contact Works on Earth

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É impressionante como os povos americanos pré-colombianos do Ártico tinham uma tecnologia de sobrevivência ao inverno resiliente dispondo de tão pouco…

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Realmente gostei de ver, fizeram um monumento no fim do vídeo.

De vez em quando, só de vez em quando eu acho que a raça humana ainda tem conserto.

“Não levo desaforo para casa !?”: