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Why does the earth have a atmophere?
Mainly because Earth has a large enough mass, and therefore a large enough gravity, to keep an atmosphere.
The sun holds earth and orbits because of?
gravity. the mass of the sun is so large that it is able to pull in all the planets and what not
What is the gravity on Neptune?
To answer this we must start by taking a look at Neptune's mass. Neptune's mass is about 1.02 x 1026 kg. It would take over 17 Earths to fill up Neptune, but the gravity on Neptune is only 1.19 times of the gravity on Earth. This is because it is such a large planet (and the gravitational force a planet exerts upon an object at the planet's surface is proportional to its mass and to the inverse of its radius squared). A 100-pound person would weigh 112.5 pounds on Neptune. If the object is massive it will gain gravity but if it is large it will lose gravity at a greater rate.
What is the gravity like on neptune?
To answer this we must start by taking a look at Neptune's mass. Neptune's mass is about 1.02 x 1026 kg. It would take over 17 Earths to fill up Neptune, but the gravity on Neptune is only 1.19 times of the gravity on Earth. This is because it is such a large planet (and the gravitational force a planet exerts upon an object at the planet's surface is proportional to its mass and to the inverse of its radius squared). A 100-pound person would weigh 112.5 pounds on Neptune. If the object is massive it will gain gravity but if it is large it will lose gravity at a greater rate.
What is milky ways gravity compared to the earths gravity?
There are roughly 400 billion stars in the Milky Way. The average mass of each of these stars is about half that of our sun, which is about 300,000 times as massive as Earth. Multiplying these numbers gives us the mass of the galaxy compared to the mass of the earth: 150,000 x 400,000,000,000 = 60 trillion. So the gravitational pull of the galaxy is roughly 60 trillion times that of the earth.
Why is the suns gravity so large?
The Sun's gravity is large because the Sun has a lot of mass (about 333,000 times the mass of Earth). Masses cause gravity.
Why does the earth have a atmophere?
Mainly because Earth has a large enough mass, and therefore a large enough gravity, to keep an atmosphere.
Why does Earth get meteor showers?
Earth sometimes receives meteor showers when a large object breaks apart in outer space. Once the pieces enter earths atmosphere they are dragged to the ground by gravity.
Does gravity involve air?
No. All matter exerts a gravitational pull. We feel Earth's gravity because it has a very large mass.
What are two examples that illustrate Earths gravitational pull?
every object has a gravitational pull on every other object.however,only large objects have a gravitional pull you can feel.Earths gravity pulls objects toward the center.Apples fall down because of Earths gravity.Gravity also keeps satellites in orbit around earth.
Why is difficult to determine earths structure?
Because Earth is very very large and we live just on the very surface.
Why doesn't water drop off on the underside of the world?
Water and everything else have mass. The Earth is a very large object with a huge amount of mass. Gravity is the attraction between any masses. The Earth wins. The center seeking effect of the Earths gravity beats the oceans and seas and you and everything else here. There is no "underside" to the World relative to the Earths center.
Why are gas giants important to earth?
The gas giants are important because their strong gravity draws in many large asteroids before they can hit earth.
The sun holds earth and orbits because of?
gravity. the mass of the sun is so large that it is able to pull in all the planets and what not
Why is there no gravity on moon?
The moon does have gravity, but it is much weaker than Earth's gravity. This is because the moon is smaller and less massive than Earth. Astronauts can still walk on the moon because it has enough gravity to keep them on its surface.
Is Jupiter have stronger or weaker gravity than earth?
If you could do the measurements at the same distance from both planets, you'd find that the gravitational forces between you and Jupiter would be about 318 times as strong as the forces between you and the Earth.
How large is the Earths circumference?
Earth's Circumference is 24,901 miles (40,075 km)
