Humanity’s brutal and bellicose past provides ample justification for pursuing settlements on the moon and Mars, Elon Musk says.
The billionaire entrepreneur has long stressed that he founded SpaceX in 2002 primarily to help make humanity a multiplanet species — a giant leap that would render us much less vulnerable to extinction.
Human civilization faces many grave threats over the long haul, from asteroid strikes and climate change to artificial intelligence run amok, Musk has said over the years. And he recently highlighted our well-documented inability to get along with each other as another frightening factor. [The BFR: SpaceX’s Mars Colony Plan in Images].
Recent headlines have contained lots of asteroid-nuking talk. There’s a team of Russian scientists zapping mini asteroids in their lab, and supposedly NASA is thinking about a plan that would hypothetically involve nuking Bennushould it threaten Earth in 2135.
It’s true that NASA is drafting up ideas on how one might nuke an incoming asteroid, a theoretical plan called HAMMER, or the Hypervelocity Asteroid Mitigation Mission for Emergency Response, as we’ve reported. But scientists probably won’t need to use such a response on the “Empire State Building-sized” asteroid 101955 Bennu, which is set to pass close to Earth in 2135. Diverting such a threat could be much, much easier.
“Even just painting the surface a different color on one half would change the thermal properties and change its orbit,” Michael Moreau, NASA’s OSIRIS-REx Flight Dynamics System Manager, told Gizmodo. That would involve literally sending a spacecraft to somehow change the color of some of the asteroid.
There’s lots we don’t know about asteroids just yet, which is why NASA has sent the probe OSIRIS-REx toward Bennu. This mission aims to scoop up and return a sample of the rock in 2023.
There is a minuscule chance, around 1 in 2,700 odds, that Bennu will strike Earth in 2135, reports the Washington Post. The rock isn’t big enough to end humanity, but it could cause some major damage. The OSIRIS-REx spacecraft will study the rock more, and NASA will continue to collect data to either rule out the chance of an impact or increase the odds.
But don’t worry about Bennu yet. Should the odds of a Bennu strike grow too high, the laws of physics will allow for a much easier solution than nuking. We could just splash it with some paint.
The sun pelts everything in the solar system with a slew of tiny particles, for example. This imparts a little bit of pressure. These particles are of no consequence to our own orbit, since Earth is incredibly massive, but Bennu weighs only around 13 times the mass of the Great Pyramid of Giza. That’s very light, comparatively. Given the 120 years or so we’ve got and the amount of distance Bennu has left to travel before its nearby approach, if scientists could make some of it more susceptible to the solar radiation, that would slightly alter its path enough that it would miss us. Doing so would require changing part of its surface so it absorbs more radiation—for example, by covering one side of it with paint. Scientists first need to better study its orbit around the sun to determine the best course of action.
All that is to say, as usual, we’re not about to be hit by the giant asteroid in the headlines.
There are asteroids we need to worry about, of course. But as we’ve reported before, we’re not tracking them. The government has only required that NASA track asteroids larger than a football field or so. Something smaller could go under the radar and cause significant local damage without the 120 years of warning Bennu has afforded us.
The thought of nuking asteroids makes for great science fiction. But instead, you should spend more time upset that we don’t know what smaller asteroids are threatening us, rather than worry about the ones scientists are tracking that could be diverted more easily.
Satellite imaging, astronomy and a smart hunch about North Korea propaganda confirmed the launching site of the North Korean missile and a new monument.
The billionaire tech entrepreneur called AI more dangerous than nuclear warheads and said there needs to be a regulatory body overseeing the development of super intelligence, speaking at the South by Southwest tech conference in Austin, Texas on Sunday.
Describing the bunker community as “large” is perhaps an understatement. “…This base is 18 square miles (47 square kilometers), about three quarters the size of Manhattan,” Vicino told RT’s Ruptly agency. He says the community has 575 bunkers and will be able to hold between 6,000 and 10,000 residents.
The motto “always be prepared” is wise advice, but one man is taking the mantra to the max. He’s got former military bunkers spanning a space that is three-quarters the size of Manhattan, and is selling them to survivalists.
Survivalists and so-called “preppers” are often the brunt of jokes, with insults ranging from “paranoid” to “weird” and everything in between. But Robert Vicino couldn’t disagree more. He runs a company which is currently focused on transforming military bunkers into doomsday shelters.
Elon Musk, the head of SpaceX and Tesla, came to SXSW this week and gave a grave talk about the future of humanity, warning about the dangers of nuclear war, climate, change, and runaway AI and telling the audience that the only way to keep humanity alive is to colonize the Solar System.
Castle Bravo was the first in a series of high-yield thermonuclear weapon design tests conducted by the United States at Bikini Atoll, Marshall Islands, as part of ‘Operation Castle’.
The operation’s ultimate objective was to test designs for a powerful nuclear weapon that could be delivered by aircraft.
Detonated on March 1st 1954, Castle Bravo remains the most powerful nuclear device detonated by the United States.
It has proposed spending a total of US$12.7 million on technical upgrades to the vault to better protect the more than 930,000 seed varieties inside. It has completed a feasibility study and plans to move ahead with the construction of a new concrete access tunnel and a new service building for the emergency power, refrigeration units and electrical equipment.
Global food security is serious business, and when you have water seeping into a doomsday facility built to shore up food supplies for the future, well, that’s hardly ideal. But such breaches should be a thing of the past, with Norwegian authorities overseeing the Svalbard Global Seed Vault planning a multi-million dollar overhaul of the structure.
