(ORDO NEWS) — Sohrab Rahwar, an Iranian astronomer and professor of physics at the Sharif University of Technology, decided to tackle the problems of a warming planet and a brighter sun.
In the preprint of the article, which has not yet been peer-reviewed, Rawar put forward a proposal for a way to reduce the global temperature of our planet. Using the gravitational aid of asteroids, Rawar’s paper suggests that we can increase Earth’s distance from the Sun by moving the planet to a cooler position.
According to an article in Big Think magazine, over the past 4.5 billion years, the Earth’s orbital path around the Sun has remained virtually unchanged, even with giant meteorite impacts, the formation of a natural satellite, and the continued slowdown of our planet’s rotation.
There is an almost 100 percent chance that the Earth’s orbit will not change. However, this could eventually lead to an inevitable catastrophe for the entire planet.
Ravara proposes a maneuver that uses a “gravity assist” mechanism to fly asteroids near Earth. In other words, Ravar proposes to manipulate the orbit of small celestial bodies located in the asteroid belt. He proposes to do this with the help of solar sails and engines, sending asteroids to the orbit of Mars.
The astronomer suggests using the gravitational scattering effect, where a large object can scatter a smaller one and thereby create an equal and opposite net force back on itself. This will increase the distance to the Earth’s orbit, which will consequently cool the temperature of the Earth.
Ravar proposes to move asteroids with gravity assistance. This was first proposed by space flight pioneers Friedrich Zander and Yuri Kondratyuk in their papers published in 1925 and 1938 respectively. The gravity assist maneuver is a technique in which a spacecraft changes its orbital energy and angular momentum as it approaches a celestial body, using the body’s gravity as a slingshot.
This leads to a significant reduction in fuel consumption and flight time. It was first realized in 1959 by the Soviet Luna-3 probe during its mission to photograph the far side of the Moon. Since then, a number of interplanetary probes, including Voyagers, Mariner or Galileo, have used the same technique.
Most asteroids in the solar system move in the same plane as the planets, within 3 degrees of the ecliptic. A large number of asteroids closest to us are located in the asteroid belt located between the orbits of Mars and Jupiter.
For the gravitational interaction of asteroids with the Earth, it is necessary to reduce the orbital distance between them and the Sun. For this, the author proposes to use solar sails. In the proposed method, the orbital speed of a number of asteroids in the belt will be reduced using solar sails to provide a braking effect – moving asteroids to lower orbits.
The spacecraft has huge reflective sails that pick up the momentum of light photons from the Sun and use that momentum to propel the spacecraft forward. The solar sail will be attached to the identified asteroids and used to slow down and reduce the orbital speed of the asteroids. The result should be a spiral motion of asteroids towards lower orbits.
Ravar’s theory is that when these asteroids pass by the Earth, their gravitational pull will result in a slight drag on the planet, pulling it out of its existing orbit and placing it in a new, far away one. This would cause the Earth to move away from the Sun, resulting in a decrease in the overall temperature of the Earth’s surface.
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