BEWARE! DART asteroid hunting mission can be disastrous for Earth if tech gets into wrong hands

The DART mission to redirect an asteroid is billed as potentially planet-saving. But in the wrong hands it has seriously destructive potential.

By:PTI
| Updated on: Sep 14 2022, 11:25 IST
In Pics: Huge asteroid heading for Earth today! NASA issues warning
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1/5 In the midst of numerous small asteroids passing by Earth closely these past couple of months, NASA has issued a warning that a gigantic asteroid is dangerously heading for our planet. This asteroid, named Asteroid 2022 RW is colossal in size. But will the asteroid impact the planet and extinguish all life on Earth? Or will it just miss the planet by enough distance to prevent any catastrophe? (Pixabay)
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2/5 Asteroid 2008 RW is already on its way towards Earth travelling at a staggering speed of 36,720 and will just miss the planet today, September 12. It will make its closest approach to Earth at a distance of 6.7 million kilometers, according to NASA. NASA’s Planetary Defense Coordination Office has warned that Asteroid 2008 RW is nearly 310 feet wide, which is nearly the size of a skyscraper. (Pixabay)
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3/5 According to the-sky.org, the Asteroid 2008 RW was discovered on September 8, 2008 and belongs to the main Apollo group of asteroids. The asteroid 's farthest point from the Sun is 456 million kilometers, and the nearest point to the Sun is 139 million kilometers. Asteroid 2008 RW takes 1023 days to complete one orbit around the Sun. (Pixabay)
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4/5 NASA currently has a NEO Observations Program in place to track, and characterize at least 90 percent of the NEOs that are 140 meters or larger in size. Most of the asteroids are observed with the help of the NEOWISE Project which repurposed NASA’s Wide-field Infrared Survey Explorer to work as a survey telescope and scan the sky for Near-Earth Objects. (NASA)
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5/5 NASA JPL also uses a variety of ground-based telescopes in the hunt for these asteroids. NASA JPL’s Center for Near Earth Object Studies (CNEOS) has also recently developed a next-generation asteroid impact monitoring system which has gone online. (HT_PRINT)
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NASA’s DART mission will test the feasibility of redirecting an asteroid from its path in a bid to strengthen planetary defense against rogue asteroids. (Bloomberg)

The DART mission to redirect an asteroid is billed as potentially planet-saving. But if the tech gets in the wrong hands, it has seriously destructive potential. In September 2022 an event of planetary importance will take place. With the assistance of a privately funded rocket, NASA's DART mission will test the feasibility of redirecting an asteroid. The mission is, in NASA's words, “to test and validate a method to protect Earth in case of an asteroid impact threat”. NASA's spacecraft will crash head-on into a small asteroid called Dimorphos, with the aim of altering its orbit around a larger asteroid, Didymos.

The excitement about such heroic possibilities is rooted in long-held assumptions about expansion into space. Going higher must mean getting better. However, the consequences of the mission are much less positive than space enthusiasts and many others believe. Given the immense violence potential of fast-moving space objects, the question of whether asteroid redirection is desirable roughly approximates to the question of whether space activities increase or decrease the likelihood of war.

In their 1964 book Islands in Space: The Challenge of the Planetoids, astronomers Dandridge Cole and Donald Cox envisioned manoeuvring asteroids to serve as the ultimate deterrent, a “planetoid bomb”. At the time, these plans were advanced as solutions to the threat of nuclear war, specifically to the vulnerabilities of nuclear weapons based on Earth. Never attempted, these schemes were shockingly extreme, even among the apocalyptic military speculations of the 1950s and 1960s.

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Cole and Cox wrote that a “captured planetoid” of between 2 kilometres and 8 kilometres in diameter would have the “impact energy equivalent to several million megatons”, would create a crater 30 to 80 kilometres in diameter, and “would destroy whole countries through Earth shock effects”. They hastened to add that such devastation would “not be anything near as bad” as a general nuclear war because there would be “no nuclear fallout carried by the winds to all parts of the Earth”.

A captured planetoid would be “the ideal deterrent system”, they said, because it could not be de-orbited in less than several hours and “would not be feared by a potential enemy as a surprise attack weapon”. Furthermore, “an onrushing planetoid” could not be intercepted or deflected “even if detected several days before impact”. Such an attack might even be carried out “without much danger of retaliation” because it would be difficult to distinguish from a “natural catastrophe”.

Although this scheme suggests criminal insanity, it fits comfortably alongside other — fortunately abortive and outlawed — Cold War investigations of geophysical weaponisation, such as harnessing hurricanes, tornadoes, earthquakes, volcanoes and tsunamis for military purposes.

Interstate military rivalry propelled much of human space activity. So why do we believe conflicts will not be carried into space? People who believe in the possibility of overcoming rivalries on the highly interdependent Earth, where large-scale violence is effectively suicidal, are deemed utopian. But these same rival states exploring the manipulation of asteroids equipped with titanic violence potential is, somehow, no problem.

For this reason, the alteration of the orbits of asteroids by any single government or corporation should be explicitly outlawed. However, while international organisations will travel to the asteroid as observers, the DART mission is solely the preserve of US organisations. How, when and by whom this technology is developed has first-order implications for the human species and the fate of the Earth.

The technologies to divert an asteroid away from the Earth are essentially identical to those needed to direct objects towards the Earth. If the DART mission succeeds, humanity will have demonstrated a destructive capability vastly exceeding that of nuclear weapons.

Allowing private corporations to map and alter asteroid orbits would also be extremely dangerous. Given asteroids' inherent mass-destructive potential, allowing private companies answerable to only a handful of corporate owners to develop this technology would be like allowing private firms to develop the hydrogen bomb in the 1950s.

However, completely abandoning the mapping and alteration of asteroidal orbits is unwise because the collision of such bodies with the Earth is inevitable. This knowledge and technology is vital.

Asteroid mapping and diversion should therefore be undertaken only by a consortium of leading states on Earth. A deflection consortium could be assigned the task, given the sole legal authority, and equipped with the resources to develop the capacity to defend the planet from cosmic bombardment. Such an effort would fall far short of bringing a world government into existence, reassuring those who fear control by stealth.

The enduring mutual suspicion of states would impede the asteroid consortium from becoming the seed of a world state. It could be staffed and operated not by a distinct body of international civil servants but rather by members of the militaries of the contributing states.

Like any human venture, a strategy of military cooperation for planetary security would have its own risks and potential paths of breakdown. If the planetary protection consortium were to disintegrate, the violence capacity of asteroids would be possessed by several states. But as long as this agency remained solely focused on its narrow mission, and no private actors were permitted to engage in these activities, states would have a strong incentive to sustain the arrangement.

Human beings have long dreamed of exploring the farthest reaches of space. Space is particularly prone to dreamy assumptions, beguiling illusions and stark disorientations. But dream-walking into space is sleepwalking into space. Space expansion should be recognised as having not only a plethora of bad proposals but also a frightening potential for evil.

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First Published Date: 14 Sep, 11:25 IST
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