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Billiards method. Clonk the Earth with something big and heavy, causing it to alter course. Rather than merely bouncing off, the item destroyed much of both itself and Earth, causing a vast spray of matter to be hurled off from the impression level; this matter coagulated into what is now the Moon. If there was some approach to electrically cost the Earth, by dumping a lot of identically charged particles onto the Earth or simply ionizing particles already on Earth - a large amber rod might maybe be so as - then we might use magnetic fields to drive the planet within the direction we wished it to go. The obvious main disadvantage with this technique is that proper now there aren't even theories as to how you could possibly build rocket engines of the kind proposed here. Basically, the point here is that modelling impacts like these is a tricky business. The precept right here is far the identical, with the railguns behaving somewhat like discretized versions of thrusters, providing instantaneous changes in velocity as opposed to sustained steady change.

The foremost drawback right here is determining how to pick up large items of continental plate with out breaking them. Atmospheric issues are ignored right here since it's far more power-efficient to manually remove the Earth's environment, move the planet, and reinstall it. Suppose that there were ten billion people (another overestimate - there are about 6.Four billion at the time of writing). 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 probably to search out - there are heavier moons and total planets you may think about using, however to be trustworthy from this point of view it appears more like using a succession of a whole lot, thousands or tens of hundreds of smaller asteroid impacts would be a greater guess. It all relies upon how fussy you are about how the Earth seems to be afterwards, of course. Wait long enough, and the solar wind blowing the sail outwards will take the Earth outward too, since the two are gravitationally bound collectively! This can be employed to maneuver the Sun and Earth in tandem to a spot where the Earth can extra easily be destroyed.

Plan it proper, and you may couple it along with the Earth with gravity alone, using the solar wind to steadiness out the Earth's gravitational attraction. Alternatively, as the Earth's angular kinetic energy is negligible in comparison with its orbital kinetic power, you may consider diverting a comparatively small amount of assets to easily stopping the Earth from spinning in any respect, before beginning the primary project. This structure wouldn't be in orbit across the Sun, but static, remaining aloft using the radiation pressure of catching and reflecting photo voltaic vitality. With half of the Sun's radiation blocked/reflected in the opposite direction, the Sun now has a internet thrust upwards (i.e. within the direction of the "hat"). Just use it to tack in opposition to the path in which the Earth is travelling, steadily slowing its orbital velocity and growing the orbit's eccentricity, till the orbit passes inside the Roche restrict the place the Earth is torn apart by tidal forces.

It is possible to use a solar sail to steer the Earth into the Sun. Better, you could possibly use many, many asteroids one after the other in a gradual stream, and cut down the overall time considerably. Way down to 1021 tonnes. You possibly can reuse the identical asteroid many times, looping it round just a few gasoline giants and again to achieve lots more kinetic vitality from those gasoline giants in the same manner that Earth just gained velocity from the rock. Moving the Sun is about 6 orders of magnitude harder than shifting the Earth however the Sun is continuously emitting vitality which may be productively harnessed for this purpose. Direct rocket propulsion. Build gigantic, presumably nuclear upward-pointing rocket furnaces, maybe one, perhaps 4, maybe 1,000,000, no matter you'll be able to budget for. Build an infinite lightweight "hat" for the Sun, which catches the Sun's rays. If balanced accurately, the "hat" neither falls into the Sun nor is blown away.