At that time, the company announced its intention to divest its bowling products business, which it now has completed. Rather than simply bouncing off, the object destroyed much of both itself and Earth, causing a VAST spray of matter to be hurled off from the impact point; this matter coagulated into what is now the Moon. Billiards method. Clonk the Earth with something big and heavy, causing it to alter course. You could repeat this thousands of times over the course of millions of years. This results in a minute theoretical acceleration but over millions of years the velocity would accumulate to something substantial. Just use it to tack against the direction in which the Earth is travelling, gradually slowing its orbital velocity and increasing the orbit's eccentricity, until the orbit passes within the Roche limit where the Earth is torn apart by tidal forces. If there was some way to electrically charge the Earth, by dumping lots of identically charged particles onto the Earth or just ionizing particles already on Earth - a large amber rod might perhaps be in order - then we could use magnetic fields to drive the planet in the direction we wanted it to go.

This is because overall it carries almost exactly zero overall charge. Since the Sun carries the vast majority of the entire mass of the solar system, any force which moves it is likely to drag all of the planets along with it. Gravity assistance. This is a method originally proposed as a means of moving Earth to a higher orbit around the Sun in order to save it from the Sun's inevitable Red Giant expansion. The expansion of Dawson and Sunshiny balls is measured. Do you have used sports equipment and related valuable items that you are not using anymore? Shafts do get dirty just like other sports equipment out there. Drawbacks: as above, the momentum change you get is minuscule because you have to subtract off the 11km/s needed to launch the material upwards forever at all. Occasional hallways have sculptures and masterpieces from around the world. Solar sail method. I can't honestly add much to that article except to say that to move the Earth substantially, the sail used is going to have to be pretty big. It is possible to use a solar sail to steer the Earth into the Sun. You know, the present is represented on your watch by a hairline that is as thin as possible as is consistent with visibility.

After giving an overview of the recent debate, Millican argues that the New Hume debate should be settled via Hume’s logic, rather than language, and so forth. Having described these two important components of his account of causation, let us consider how Hume’s position on causation is variously interpreted, starting with causal reductionism. However, this is only the beginning of Hume’s insight. Alternatively, as the Earth's angular kinetic energy is negligible compared to its orbital kinetic energy, you might consider diverting a relatively small amount of resources to simply stopping the Earth from spinning at all, before beginning the main project. This structure would not be in orbit around the Sun, but static, remaining aloft using the radiation pressure of catching and reflecting solar energy. Ceres, the solar system's largest asteroid, has less than 1/40,000th the mass of Earth; the Moon, a mere 1/80th. These objects are the heaviest you're likely to find - there are heavier moons and entire planets you could consider using, but to be honest from this point of view it looks more like using a succession of hundreds, thousands or tens of thousands of smaller asteroid impacts would be a better bet. Basically, the point here is that modelling impacts like these is a tricky business.

Note that the Earth does not and will not behave like a solid, rigid billiard ball under such huge impacts as these. Wait long enough, and the solar wind blowing the sail outwards will take the Earth outward too, since the two are gravitationally bound together! Construct a huge solar sail with a significant mass. Maybe. Or better yet: the Earth already has a standing magnetic field; perhaps we could construct a cylinder of cable around it, and pass current to move it using Lorentz forces. Plan it right, and you can couple it together with the Earth with gravity alone, using the solar wind to balance out the Earth's gravitational attraction. The major problem here is figuring out how to pick up big pieces of continental plate without breaking them. The principle here is much the same, with the railguns behaving somewhat like discretized versions of thrusters, providing instantaneous changes in velocity as opposed to sustained steady change. Better, you could use many, many asteroids one after the other in a steady stream, and cut down the total time significantly. The Earth is very big, moving very fast, and therefore very difficult to stop or even slow down.

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