- How many dead bodies are in space?
- Can we survive without the moon?
- What if Earth had rings?
- Why is gravity so weird?
- What would happen if the moon disappeared?
- Where is the lowest gravity on Earth?
- Can we live without gravity?
- What would happen if the moon disappeared for 5 seconds?
- What would happen if Earth lost its gravity?
- Would we die if the earth stopped spinning?
- What does space smell like?
- Can you fall off the moon?
- What is the G in physics?
- Is Earth’s gravity increasing?
- What would happen if the Earth lost oxygen for 5 seconds?
- What would happen if the Earth loses gravity for 5 seconds?
- What would happen if the Earth stopped rotating?
- Can time be stopped?
- What would happen if everyone on Earth jumped at the same time?
- What would happen if gravity stopped for 1 second?
- Has anyone been lost in space?
How many dead bodies are in space?
However, of the roughly 550 people who have so far ventured into space, only three have actually died there..
Can we survive without the moon?
Without the moon, a day on earth would only last six to twelve hours. There could be more than a thousand days in one year! That’s because the Earth’s rotation slows down over time thanks to the gravitational force — or pull of the moon — and without it, days would go by in a blink.
What if Earth had rings?
Earth’s hypothetical rings would differ in one key way from Saturn’s; they wouldn’t have ice. Earth lies much closer to the sun than Saturn does, so radiation from our star would cause any ice in Earth’s rings to sublime away. Still, even if Earth’s rings were made of rock, that might not mean they would look dark.
Why is gravity so weird?
Why is gravity so weird? No force is more familiar than gravity — it’s what keeps our feet on the ground, after all. And Einstein’s theory of general relativity gives a mathematical formulation for gravity, describing it as a “warping” of space.
What would happen if the moon disappeared?
It is the pull of the Moon’s gravity on the Earth that holds our planet in place. Without the Moon stabilising our tilt, it is possible that the Earth’s tilt could vary wildly. It would move from no tilt (which means no seasons) to a large tilt (which means extreme weather and even ice ages).
Where is the lowest gravity on Earth?
Mount Nevado HuascaránMount Nevado Huascarán in Peru has the lowest gravitational acceleration, at 9.7639 m/s2, while the highest is at the surface of the Arctic Ocean, at 9.8337 m/s2.
Can we live without gravity?
Without gravity, the air in the atmosphere has no reason to hang around, and it would immediately leap into space. … Without an atmosphere, any living thing would die immediately and anything liquid would boil away into space. In other words, no one would last long if the planet didn’t have gravity.
What would happen if the moon disappeared for 5 seconds?
The tides would completely stop With the gravitational pull of the moon missing, tides as we know them would be over. There would still be waves (since the sun also slightly affects the movement of the ocean), but the churning currents as we know them would diminish.
What would happen if Earth lost its gravity?
If the Earth’s gravity is lost, all items held to the Earth’s surface by gravity would float away. That includes the atmosphere, water, people, cars and animals. … If you were lucky enough to be in a large building when gravity disappeared, you would not drift away, but you also would not have air to breathe.
Would we die if the earth stopped spinning?
The answer, of course, is simple: we would all die pretty horrifically. You see, were the Earth to stop, everything that isn’t Earth would keep moving at the same speed at which the Earth was traveling.
What does space smell like?
As it turns out, space actually does have a distinct odor. … Astronauts returning from space claim that their suits smell, in a word, burnt. The lingering scent of space is “acrid” and “metallic,” reminding the astronauts of charred meat or welding fumes.
Can you fall off the moon?
The moon is just over a quarter of the size of the Earth. But if it had the same mass, then the moon’s gravity would be about 14 times stronger than Earth’s and you’d hardly be able to jump at all. If that same mass was squeezed down to the size of a village, it’d become a black hole, and we’d all be sucked into it.
What is the G in physics?
The gravitational constant is the proportionality constant used in Newton’s Law of Universal Gravitation, and is commonly denoted by G. This is different from g, which denotes the acceleration due to gravity. In most texts, we see it expressed as: G = 6.673×10-11 N m2 kg-2.
Is Earth’s gravity increasing?
“The Earth’s gravity field changes from one month to the next mostly due to the mass of water moving around on the surface,” said Watkins. “Because water in all its forms has mass and weight, we can actually weigh the ocean moving around. We can weigh rainfall, and we can weigh changes in the polar ice caps.”
What would happen if the Earth lost oxygen for 5 seconds?
If the world lost its oxygen for five seconds, the earth would be an extremely dangerous place to live in. … The air pressure on the earth would drop 21 per cent and our ears would not get enough time to settle. Without oxygen, there would not any fire and the combustion process in our vehicles would stop.
What would happen if the Earth loses gravity for 5 seconds?
If our planet were to lose gravity for even five seconds, it would spell the end of life on Earth as we know it. Gravity pulls objects toward one another. The more massive an object is, the stronger its gravitational pull. … Without gravity, humans and other objects would become weightless.
What would happen if the Earth stopped rotating?
At the Equator, the earth’s rotational motion is at its fastest, about a thousand miles an hour. If that motion suddenly stopped, the momentum would send things flying eastward. Moving rocks and oceans would trigger earthquakes and tsunamis. The still-moving atmosphere would scour landscapes.
Can time be stopped?
The simple answer is, “Yes, it is possible to stop time. All you need to do is travel at light speed.” The practice is, admittedly, a bit more difficult. Addressing this issue requires a more thorough exposition on Special Relativity, the first of Einstein’s two Relativity Theories.
What would happen if everyone on Earth jumped at the same time?
Because people are spread somewhat equally around the planet’s spherical surface , if we all jumped in place, nothing much would happen — all our lift-offs and impacts would cancel each other out, resulting in zero net force on the Earth, according to work by physicist Rhett Allain.
What would happen if gravity stopped for 1 second?
When gravity disappears for 1 second the outwards force balanced by the gravity would be released causing a massive explosion. In other star systems with more immense stars and natural phenomena such as pulsars and and especially black holes the explosions and expansions would be greater.
Has anyone been lost in space?
A total of 18 people have lost their lives either while in space or in preparation for a space mission, in four separate incidents. All seven crew members died, including Christa McAuliffe, a teacher from New Hampshire selected on a special NASA programme to bring civilians into space. …