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[TheVerge] Scientists are one step closer to detecting gravitational waves from space

post #1 of 22
Thread Starter 
Quote:
The European Space Agency has successfully tested out a technology needed to build vehicles that can detect gravitational waves from space. The work was done by the LISA Pathfinder mission — a team trying to prove that a wave-detecting spacecraft can actually work. The mission team said the technology they tested exceeded their "most optimistic expectations."


Pretty cool to see that they not only met, but grossly exceeded their targeted isolation. This could have applications even beyond gravitational waves research, put enough of these up in space as a network with high enough sensitivity, you would no longer need to monitor space with light to try to find bodies on collision courses with Earth, you could just monitor the gravity waves of all objects within the solar system!


Source.
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post #2 of 22
I take there are over 1,000,000,000 Steps.... So, one step closer is a grain powdered sugar in an ocean.
    
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post #3 of 22
I thought they already did?
post #4 of 22
Thread Starter 
Did we read the article? I mean, like at all?

It is about detecting them from space, because it provides much cheaper and better isolation to detect the minute waves. No this isn't step 1 on the list of a million things required for the technology to work, they have already launched it, and validated it has over 5 times higher precision than necessary as it stands today for the system to function from space.
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post #5 of 22
This does have huge implications, so huge that we could end up mapping the entire Solar System like we do our Cities with our GPS.

And we could finally verify the existence of a "Planet X" *Tinfoil hat on*
post #6 of 22
Quote:
Originally Posted by Avonosac View Post

Pretty cool to see that they not only met, but grossly exceeded their targeted isolation. This could have applications even beyond gravitational waves research, put enough of these up in space as a network with high enough sensitivity, you would no longer need to monitor space with light to try to find bodies on collision courses with Earth, you could just monitor the gravity waves of all objects within the solar system!


Source.

Changes in gravity due to objects that small won't be able to be detected by anything approaching practicality.
post #7 of 22
Quote:
Originally Posted by MuscleBound View Post

I thought they already did?

If you're thinking of the LIGO announcement from the past few months, those waves were detected from detectors here on Earth, not ones based in space.
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post #8 of 22
post #9 of 22
Thread Starter 
Quote:
Originally Posted by Mand12 View Post

Changes in gravity due to objects that small won't be able to be detected by anything approaching practicality.

That's quite possible, but you don't know that for a fact. This is the tip of the iceberg as far as this technology is considered.

Are we going to be able to use it to detect a 20" diameter asteroid? Probably not.

Could it be used to detect an extinction sized asteroid? There is a much higher probability of that. Possible? I don't know. Feasible? We will see.

It's just awesome because if sufficiently developed (and possible) this kind of technology could be used to create a mass detector. I hope someday it becomes possible and feasible to create that kind of resolution.
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post #10 of 22
Quote:
Originally Posted by NightAntilli View Post

Leaving this here...

https://www.youtube.com/watch?v=srVlo1Ez5fk

"I knew they were wrong"

How? What qualifies him?
Because he can make a video and say some fancy words and reference some E&M books by other scientists.
    
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