# Hacktivateed

## Do you continue to accelerate in space?

The astronauts on board the International Space Station are accelerating towards the center of the Earth at 8.7 m/s², but the space station itself also accelerates at that same value of 8.7 m/s², and so there’s no relative acceleration and no force that you experience.

## What happens if you keep accelerating in space?

If a space ship is using constant acceleration over interstellar distances, it will approach the speed of light for the middle part of its journey when viewed from the planetary frame of reference. This means that the effects of relativity will become important.

Do astronauts feel acceleration in space?

Astronauts in orbit travel at 28000 km/h but feel absolutely nothing, even if they’re outside. Similarly, inside a car you do not feel the speed, only the change in speed (i.e. acceleration – and note that acceleration can be in any direction: forward, backward, left, right, up or down).

Does velocity remain constant in space?

a. The space probe would continue with constant velocity. According to Newton’s first law, a non-zero net force is required to change the velocity of an object. The net force on the space probe is zero—since the forces on it cancel—so there is no change in the velocity of the probe.

### Do G forces exist in space?

Gravity causes every object to pull every other object toward it. Some people think that there is no gravity in space. In fact, a small amount of gravity can be found everywhere in space. Gravity is what holds the moon in orbit around Earth.

### Is there no drag in space?

Any object in motion feels a bit of friction as it moves through the sea of radiation that is constantly emitted by its surroundings. There’s no escape from friction. Objects moving through a vacuum or even interstellar space feel a universal drag from the photons that are everywhere, according to the 28 November PRL.

How fast can we accelerate in space?

Nothing can travel faster than 300,000 kilometers per second (186,000 miles per second). Only massless particles, including photons, which make up light, can travel at that speed. It’s impossible to accelerate any material object up to the speed of light because it would take an infinite amount of energy to do so.

How fast can a human travel in space?

Surprisingly, the fastest manned mission record still belongs to Apollo 10, which took place back in May 1969. During its return from the Moon, the crew’s vehicle reached a speed of 24,791 mph (39,897 km/h). This mission’s success enabled Apollo 11 to land on the Moon just a few months later.

#### Does acceleration stay constant in vacuum?

Free Falling Object Motion. An object that falls through a vacuum is subjected to only one external force, the gravitational force, expressed as the weight of the object. The acceleration is constant and equal to the gravitational acceleration g which is 9.8 meters per square second at sea level on the Earth.

#### Can you throw a ball in space?

In deep space, far enough away from large objects like stars and planets that gravity may be neglected, a thrown ball will travel in a straight line and the person throwing the ball will also travel in a straight line in the opposite direction. The lighter object moving faster.

Does space have an end?

Scientists now consider it unlikely the universe has an end – a region where the galaxies stop or where there would be a barrier of some kind marking the end of space.

Is there a max speed in space?

But Einstein showed that the universe does, in fact, have a speed limit: the speed of light in a vacuum (that is, empty space). Nothing can travel faster than 300,000 kilometers per second (186,000 miles per second). Only massless particles, including photons, which make up light, can travel at that speed.

## What happens to a spacecraft when it stops accelerating?

Once there is no force acting on the spacecraft (i.e. the engine stops firing) the spacecraft will stop accelerating and continue at constant velocity in a straight line unless other forces act on it (the gravitational field of a planet for example).

## Why is constant acceleration important in space travel?

Constant acceleration is notable for several reasons: 1 It is a fast form of travel. When ergonomics are considered, they are the fastest form of interplanetary and… 2 Constant acceleration creates its own artificial gravity to the benefit of passengers, who may thus be spared from… More

Are there any problems with using constant acceleration?

A second big issue facing ships using constant acceleration for interstellar travel is colliding with matter and radiation while en route. In mid-journey any matter the ship strikes will be impacting at near light speed, so the impact will be dramatic.

How long does it take for a rocket to travel at a constant acceleration?

At a constant acceleration of 1 g, a rocket could travel the diameter of our galaxy in about 12 years ship time, and about 113,000 years planetary time.