NASA’s Webb Telescope Finally Launches Most Complex Exploration Mission Ever
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25 comments on NASA’s Webb Telescope Finally Launches Most Complex Exploration Mission Ever
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25 Comments
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2 years ago
Surely a lot of potential and very exciting that this project has gotten off the ground, so to speak, but the most startling facet of this is in danger of being overlooked:
Canada has a space agency!
Call_Me_Al
2 years ago
The main purpose of the Webb is not to look back to the Bing Bang, per se. It’s to figure out what dark matter and dark energy are. 96% of the universe is dark matter or dark energy, which we can’t detect as things stand now. In other words, 96% of physical creation is something that we’re entirely clueless about. That’s a very big deal, if you ask me.
Ten billion is a good chunk of change but the federal government runs through that in 77 minutes and the Webb has been in development for 20 years which is equal to four minutes of federal spending each year. It would have arrived sooner and cheaper but for decades NASA has been laboring under the ‘faster, cheaper, better’ slogan. You can have any two of the three, but not all three. Inconsistent funding results in projects being defunded, which have to be started all over again from ground zero, hence a lot more expense. I worked at NASA for a decade, its the only government entity I know that really has its act together: smart people, hard workers, and some of the time, competent management. (you can include NOAA, the UGS, and NIH in that category too). If it was funded at a decent consistent level we’d have had a colony on Mars years ago, for example.
As with all money spent on esoteric technologies it eventually pays for itself a hundred times over. Like your digital camera or phone? The CCDs that are the heart of it were developed by NASA to make better telescopes. That’s just one small example.
2 years ago
….and all things well considered not even that many astronauts got killed in the insane process, did they ? The insane process being, destroying our one and only beautiful planet while looking out for too far away or mostly uninhabitable barren rocks ….’Understanding’ the universe, is too much of a ambitious undertaking for our limited brains it seems, guessing and speculating is all, well paid and probably well meaning, scientists can do ….Thank gowd, I ll say for once, being an atheist…
2 years ago
I guess you missed the part where I pointed out that basic research, such as the Webb, pays for itself 100 times over. Example: the internet would not exist except for high quality fiber optic cables. The technology to make such transparent glass was a pure science project, with only limited applications to a Hubble forerunner satellite. High speed internet was an unexpected by-product. Without that outlay of 20 million bucks for pure research we’d still be doing dial-up at 56K baud.
I didn’t make it clear. Knowledge gained by NASA has vast applications on earth. It’s not like billions of dollar bills are shot into orbit for no return on investment.
2 years ago
I don t know about you but I lived more happily WITHOUT the internet ….
2 years ago
Nah, life is much improved after the net came into existence. Just think how much easier access to quality porn is!
2 years ago
show me yours and I ll show you mine …that s what we did with neighbour boys and girls (and we touched ) when I was ….well, a child let s say ….now fn adults are doing the same without touching ….Long live the Net ! What would we fn do without it ?
2 years ago
I enjoy the high degree certainty… 96% of the universe is dark matter… Given that we can’t detect dark stuff at present, I suspect there are things awaiting detection/discovery that are so far beyond our comprehension that in 100 years we will have entirely different theories.
2 years ago
yes the search for intelligent life continues . /s
2 years ago
Just a few days before, SpaceX landed its 100th Falcon booster. SpaceX landed its first booster only five years ago and now they are up to a hundred. Some of them have been launched and landed by themselves over ten times. Our space industry is getting better and better. It’s market share of the satellite launch business is dominate now.
link to teslarati.com
2 years ago
Well I hope it can avoid all of our commercial space junk. It’s really cool, I love science and all….but I really think we could spend our time better here on our own rock and it’s immediate problems. Then again that would probably just mean screwing up my life with green initiatives or some other stupid crap so nevermind.
2 years ago
I love science and I admire the work required to put together this latest piece of amazing technology. But I have to wonder if this is just a fool’s chase leading nowhere? “The Big Bang” doesn’t lead anywhere, any more than instant creation of the universe by a god does.
Imagine a huge primordial explosion of unmeasurable force (“The Big Bang”) that actually BUILDS all the laws of the universe we live in, defines the atomic, subatomic and quantum particles and their acceptable interactions that together construct our reality, builds gravity, puts into place a maximum physical speed (speed of light) which then allow real physical constructs like stars, planets, galaxies, black holes and so much more to come into existence.
More commonly, explosions destroy things, tear them apart, not become the foundation or beginning of a universe.
An analogy to the “The Big Bang” would be for a huge explosion to create a brand new city with working infrastructure, buildings with clean windows, paved streets, working traffic lights and much more in some short period of time!
Our universe is either the result of a god thing (but where did the god thing come from and why did it choose to build a universe?) or more likely a bubble, possibly through a black hole, in a multiverse (but where did that come from?) of an infinite number of similar universes.
2 years ago
Big Bang is sort of a misnomer. As far as we can tell, and the Webb will help with this, it was the creation of something out of nothing. The rapid expansion of the universe (space-time, really) since then has made it into an explosion in the popular mind.
During the first few nanoseconds (to the extent that we can say time existed at that point) the laws of physics, such as electric charge, gravity, time, etc., as we know them, came into being. Before that it doesn’t seem possible that they existed. There are theories, none of them likely correct, that explain how this happened but the bottom line is that we just don’t know. Nor do we know, are these the only laws of physics that are possible? The Webb will help with this a vast amount.
Note my post above. 96% of the universe, which includes our planet, is made of dark energy and dark matter which we can’t detect right now and might not obey the laws of physics, which apply to only 4% of space-time, as we understand them. That’s a big big deal.
The notion of an infinite number of multiverses comes from comic books and from quantum mechanics. When you really get into it, it seems inevitable that an infinite number of universes are continuously created. I find this hard to swallow but that’s the most reasonable explanation for what we do see, at this point. The Webb will provide major insights into this.
2 years ago
How will Webb tell us anything about how the laws of physics were created?
IMO, dark matter/energy do not exist and are just fudge factors for incorrect models and lack of true understanding of our universe.
You sound a bit like a NASA apologist for whom the new telescope will answer all questions until someone proposes the next extragent instrument. It won’t. No matter how much you look at the myriad pieces of an explosion, you aren’t going to be able to bring back and visualize what it was that exploded.
2 years ago
I’m not a NASA apologist. I’m a NASA scientist. One of my discoveries, on a NASA project in infrared astronomy (what the Webb will be doing) allows a semi-rare birth defect to be diagnosed before it kills the infants. You never know what is going to be useful.
Also, dark energy and dark matter really do exist, unless you doubt the existence of gravity, in which case they might just be fudge factors. For a long time I thought they were nonsense but eventually the evidence became bulletproof.
2 years ago
I’m not contending that there are throw-off benefits from technology advancement. As I wrote in my OP, you can look back to 1 second before the big bang but still won’t be able to explain what created the laws of physics or what caused the explosion.
One of the other grandiose benefits being attributed to the Webb telescope will be the possibility of discovering more earth like habitable planets. This sounds interesting, though not, IMO, $10 billion interesting. Regardless, we can’t even get to the Moon w/o years of preparation before a flight, so even were wee to discover habitable planets at other stars, we still have no feasible way to get there. Perhaps we should be spending that money on propulsion systems or warping space-time so we can travel to other planets and stars in reasonable time periods.
BS Mr. NASA scientist! Here from a quick Google search, #1 hit.
2 years ago
What made god?
2 years ago
How, exactly, do we know that the maximum physical speed is that of light, other than it is part of a theory created using our limited human intelligence?
2 years ago
Imagine if the aliens vaporize the thing, leaving everyone scratching their heads as to what happened to their $10 billion investment? Now that would be pretty funny!
2 years ago
Or smile directly into it
2 years ago
100 times more powerful than Hubble. Infrared images as far back as the first hundred million years. How many theories will be tossed out, and how many new hypotheses will emerge? This is going to be amazing no matter what.
2 years ago
“Webb to course-correct using on-board rockets so that it heads toward a point four times as distant as the moon called the second Lagrange point.”
I guess, global warming would fool its infra-red sensors closer to Earth.
2 years ago
Lagrange points are where you can put stuff and have it stay there.Glad to hear it made the journey… it is an incredibly complicated operation. An achievement of intelligence in a stupid world.
2 years ago
The Webb scope will be at L-2 and its’ position will wobble every 25 days or so. The telescope will then use thrusters to keep in place. It has fuel to do that for at least five years. After that they will probably have the means to refuel it.
2 years ago
Stay put depends on the frame of reference. Lagrange point L2 seems to be on the Sun-Earth axis, making solar panels less effective, and refueling more costly.
Hope, there are no Hubble-like problems in that spot.