why doesn't space have gravity?

Answer 1

Gravity is the other common force. Newton was the first person to study it seriously, and he came up with the law of universal gravitation:

Each particle of matter attracts every other particle with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
The standard formula for gravity is:

Gravitational force = (G * m1 * m2) / (d2)
where G is the gravitational constant, m1 and m2 are the masses of the two objects for which you are calculating the force, and d is the distance between the centers of gravity of the two masses.

G has the value of 6.67 x 10E-8 dyne * cm2/gm2. That means that if you put two 1-gram objects 1 centimeter apart from one another, they will attract each other with the force of 6.67 x 10E-8 dyne. A dyne is equal to about 0.001 gram weight, meaning that if you have a dyne of force available, it can lift 0.001 grams in Earth's gravitational field. So 6.67 x 10E-8 dyne is a miniscule force. When you deal with massive bodies like the Earth, however, which has a mass of 6E+24 kilograms (see this Question of the Day), it adds up to a rather powerful force. It is also interesting to think about the fact that every atom attracts every other atom in the universe in some small way!

We refer to it as SPACE because there is nothing there. Thus u cant expect any gravity there.

Answer 2

Of course space has gravity. Gravity is everywhere. Gravity keeps the earth in orbit around the sun. There's even a gravitational force between you and your computer. However, gravity's force falls off as the square of the distance between two objects. What makes space interesting is that the earth's gravitational pull - the gravity which we deal with on a daily basis - is so weak that we can with trivial effort overcome it.

Answer 3

Everything is made up of energy and matter. All the planets and
stars are made by matter and energy. In space if there is matter
or energy found then, there is possibility for gravity if matter is present ( according Newton's law ) some attractive forces act.But, if there is very highly compressive gases are present then, a very strong attractive force acts through which nothing can pass ( Black Hole).
In space wherever nothing found, there is no possibility for gravity.

Answer 4

To know abt space u should know abt earth.why do earth have gravity?there r 2 theories for this 1 is that there may b a possibility of a huge magnet in d centre of d earth but it can't be so b'coz magnet loses all its magnetic properties at a very high temprature and in d centre of d earth d temp is very high.this theory is proposed by gilbert and 2 is that cosmic rays coming from the sun r highly energetic.they ionise the atomic or gaseous particles of outer space so a current is set up and due to this current we see a magnetic property of d earth.so it is necessary to have an atmosphere for gravitational or magnetic prop. to show .so what do u conclude?there is no gravity in space because there is no atmosphere.but all the planets, asteroids,stars etc have a gravitational field around them and space away from such bodies have no gravatational field.

Answer 5

Gravity is not in space. Gravity comes from mass in space. Where there is little mass, there is little gravity. Since there isn't much mass between the stars, you wouldn't expect to find much gravity. Right?

Answer 6

There is gravity in space. Gravity is affecting everything in the universe. Im assuming you are asking why astronauts can "float." They actually are being affected by gravity while in orbit. The only reason they can float is because they are moving around the earth at 17,000 mph, the force of gravity is equal to the force from spinning that wants to send them out into space.

Answer 7

Anything with mass has gravity. The bigger the mass, the more gravitational pull. eg. The sun has enough gravity to pull nine planets around it. The earth and the moon are almost the same size, which is why we circle each other. Even your body has a small amount of gravity.

Answer 8

Gravity is caused due to force of one body on another. On earth, gravity is caused because the person / object is very close to the earth. But, in space (esp between two planets) the gravitational force is too weak to be noticed.

Answer 9

Gravity literally is all around the seemingly the empty space.But its effect is not felt as it is canceled by the vast planets stars etc scattered all around the space.These heavenly bodies exert their gravity around them and nearer you are to that body more you feel its gravity.As for the space there's a very tiny amount of gravity and is negligible.

Answer 10

space does not has gravity as it is not only affected by a single body whose core could attract everything in space but it has a numerous heavenly bodies which neutralize each other's gravitational effect on the body kept in space so the body in space does not have an overall gravitational affect on itself.