What does it mean when the sky opens up?

What does it mean when the sky opens up?

“Opened up” usually means to become larger and more accessible. If I heard “the sky just opened up” my first thought would be that the sky appeared, perhaps because cloud had cleared, perhaps because of a change of viewpoint such as coming out of a tunnel or arriving at the top of a hill.

What will happen when the sky falls?

All the oxygen, nitrogen and other stuff in Earth’s atmosphere has a whopping combined mass of 5 quadrillion tons, so a falling sky would mean that nearly 10 tons of molecules — roughly the heft of a school bus — would drop on every square meter of Earth’s surface.

Does pretty sunset mean pollution?

It is often written that natural and manmade dust and pollution cause colorful sunrises and sunsets. Clean air is, in fact, the main ingredient common to brightly colored sunrises and sunsets. To understand why this is so, one need only recall how typical sky colors are produced.

How much would happen if the sky fell?

Paradoxically, this is no airy affair. All the oxygen, nitrogen and other stuff in Earth’s atmosphere has a whopping combined mass of 5 quadrillion tons, so a falling sky would mean that nearly 10 tons of molecules — roughly the heft of a school bus — would drop on every square meter of Earth’s surface. Pancakes, everyone?

Is it possible for a parachute to fail to open?

But with all precautions taken and all training employed, it’s still possible for the parachute not to open successfully, be it through error or simple chance. Typically, one in a thousand parachutes will fail to open. What is the skydive safety procedure when the parachute doesn’t open?

Why do plane doors pop open?

Most of the time, this happens because of a mechanical failure—not because a passenger with hulk-like strength has busted open a window or door. (These tips will help you survive a plane crash .)

What would happen if there was no air in the world?

As all the birds and airborne insects plummeted to the ground around us like rocks, lacking an atmosphere to beat their wings against, and as the world fell eerily mute, lacking the air that normally carries sound, we would all die of oxygen deprivation in less than three minutes, Smil said.