60 minutes of hysteria hits NASA’s Saturn mission

February 22, 2021 Science 2 Views

NASA/JPL-California Institute of Technology/Space Science via Getty

Few obstacles are more severe. In order for the spacecraft to reach the Jupiter system at sufficient speed to eventually operate near Europa, it must be launched from a powerful rocket (which NASA lacks, which limits the spacecraft to the deployment range of the space shuttle), or it must be absurdly light (Need radiation armor) becomes impossible). The JPL engineer scribbled out the equation with chalk in a desperate manner, and then slammed his fist against the blackboard with his fist.

For NASA, there is nothing once Free…except for gravity assist. Generally, the mechanism can compensate for the insignificant speed of heavy spacecraft by taking an indirect flight path and using planets encountered along the way to pull and push robotic pilgrims inward, inward or upward. The laws of physics are immutable, and with significant numbers known, NASA̵

7;s orbital dynamicists can do this all day long, hanging these numbers precisely on the spacecraft, from planet to planet: Isaac Newton’s free advancement. This is the best bargaining in space exploration.

But then TV tabloid news stepped in and everything became complicated.

In 1997, while awaiting lift-off at Cape Canaveral, the Cassini mission suddenly got into trouble due to political protests. The Cassini carried three radioisotope thermoelectric generators powered by the 238’s decay. back to the Future Varieties-terrifying and terrifying substances do drip into homemade flux capacitors-but stored in ceramic form, wrapped in iridium, and agglomerated in graphite. It will not corrode, will not be covered by heat, will not evaporate, will not decompose into aerosol or dissolve in water. Not only can it withstand the explosion of the rocket that carried it, but it can even withstand a catastrophic return to the earth’s atmosphere. Because it cannot evaporate, no one inadvertently inhales it and forms a superpower or redundant appendages in a disaster situation. In fact, its design allows you to even eat. The human body cannot absorb it.

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However, 10 days before the 3 million and a half pounds of rocket thrust put Cassini and Earth a few inches apart, this number was much smaller, at 60, for example 60 minutes-Almost nailed NASA to the ground. CBS Television News Magazine aired a special report on the upcoming Saturn spacecraft, starring Steve Croft in the film. The reporter’s opening remarks: “On October 13, a Titan IV rocket was planned to carry 72 pounds of fatal p to lift off from Cape Canaveral; in any case, in theory, enough p can be used against every surface of the earth. A man, woman, and child are given lethal doses several times.”

From there, the situation got worse. The Cassini is an afterthought, and expert interviews are scattered…non-expert opinions, which are kind, but non-experts who speak well, their contributions are generous! Include the following: “What gives anyone, including the federal government, a risk of death or injury from venturing into space?”

An expert from the Department of Energy said categorically that even if rockets, spacecraft and graphite-sealed iridium-coated ceramics were blown up on the launch pad, the fragments would actually not be able to do the things of protesters. Say yes. But in order to maintain balance, Croft’s doom theorist’s fantasies describe in detail—instead of the form used by NASA, it can be safely sprinkled on breakfast cereal because, You can eatCan act on the human body. Among the highlights include: “It may produce lung cancer” and “You may have 100,000 or more people suffering from lung cancer” and “If this explosion occurs, you can kiss Florida bye.”

Croft even found a former NASA employee (“He is neither a scientist nor an engineer,” Croft admits, “but…”) publicly lamenting his role as space exploration in a life-threatening danger. character of. The penitent insider exclaimed: “Frankly speaking, I feel inward.”

In order to reach an agreement, Croft extracted footage from NASA’s planetary program leader Wes Huntress (Wes Huntress), who hosted the successful landing of the Mars Pathfinder only a few months ago. .

Croft said to Huntress: “This is based on your own environmental impact statement.” The host’s tone is solid but amiable, his face is heavy but kind in some way. “I want to read a few things from it.”

Huntress is a pioneer in the study of interstellar clouds and one of the most famous planetary exploration experts in the world. However, he is not entirely the material of tabloid TV shows. After the militants quarreling and arguing, he seems to be Lack of confidence in opinions. Response.

To quote Koroft: “If an accident occurs, please quote:’Remove and dispose of all vegetation in the contaminated area, demolish some or all of the buildings, and permanently resettle the affected population.'”

“If such an accident should happen,” Huntress said accurately and helplessly.

Croft replied: “I mean, it sounds too intense…” Croft waited patiently for Huntress, who had the ropes he needed to hang himself to fill. silence, 60 minutes The interviewee always did this, and he did.

“Well, what they may be most concerned about is the site damage near (near) the launch pad, because when one of these things happens, there is obviously a lot of damage near the launch pad.”

After Huntress tapped and danced and staggered,This guy doesn’t even know what his own official “Doomsday” report says!-Finally, the graceful man turned gracefully from the gallows, followed up with the awe-inspiring doomsday judge, accurately explained that life as we knew it was about to end, and kissed your baby tonight, because we have struggled to conquer the universe Mission-Saturn! This meaningless mission to the natural gas giant, no matter what it means, will cause mutant survivors to compete for the last canned food on discounted store shelves.

To make matters worse, the Cassini will swing again in front of the peaceful people of the earth!If it does not blow up during launch, it will accelerate toward Saturn in the trajectory of VVEJGA: that is, Venus (V, V) swings twice, and then Play with the earth, And if something goes wrong… (but if everything goes well, from the earth [E] Go to Jupiter [J] For gravity assist [GA]).

The US Air Force security police lined up to protest against the Cassini nuclear-powered spacecraft scheduled to be launched in front of the security fence at Cape Canaveral Air Force Base in Florida on October 4, 1997. Cassini is a scientific spacecraft that will reach Saturn in a five-year journey to orbit the planet and deploy probes to the ground.

Roberto Schmidt/AFP, Getty

The Clinton administration did not have time, but it dutifully absorbed the panic creed and sight of the protesters. They seized the hexagonal top chain fence outside Cape Canaveral, and inside, policemen lined up in bulletproof vests. , And carrying a riot shield staring silently, just waiting-what? Fire? Wielding a baton?

Nonetheless, NASA’s Went rocket launch is likely to cause cockroaches to crawl only on Earth (or any future species call it Earth), and everything is fine, just like dozens of previous launches. But the message from the headquarters to the personnel who are about to conduct space missions is: if you have to launch radioactive materials, Don’t Plan the trajectory and bring the spacecraft back to Earth for gravity assistance. No one needs a headache.

For Kara and the company, this means that people will have years of discussions about the potential trade-offs of the Europa orbiter. They analyzed other trajectories, other launch vehicles, and obtained more mass to obtain appropriate scientific returns. Compared to simply being wrapped in “dumb quality”, that is, a large piece of cheap protective shielding layer, what kind of hardware do you want to make to “anti-radiation” (anti-radiation (but expensive))? What is the absolute minimum scientific payload? In the end, they found a relatively happy medium: a spacecraft that can be launched directly and meets the minimum scientific requirements to make the Europa expedition worthwhile. NASA liked it. Then the cost doubled. In 1999, Ed. Weller hit it dead.that’s it

From Mission or: How did Carl Sagan, a motocross rider, a Texas Tea Party congressman, the worst typewriter salesman in the world, a mountainous people in California, and an anonymous NASA staff member fighting Mars? The insurgents who survived Saturn attacked Washington, and secretly rode a moon rocket in Alabama and sent a space robot to Jupiter to search for the Garden of Eden on the alien seabed in a snowy world called Europa. The second garden David W. David W. Brown Copyright © 2021. William Morrow/HarperCollins Publishers from the Customs House. Reprinted with permission.

60 minutes of hysteria hits NASA’s Saturn mission

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