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NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...

 
Sungaze_At_Dawn

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07/26/2021 11:46 AM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
So they want to take a near earth but non threat and try sending to earth? Because that's how I read this.
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
Great catch. Super pin this. This is what GLP is all about.
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Big Daddy D
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07/26/2021 11:54 AM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
So they want to take a near earth but non threat and try sending to earth? Because that's how I read this.
 Quoting: Sungaze_At_Dawn


No.
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07/26/2021 11:55 AM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
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07/26/2021 11:56 AM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
...

Not going to happen. The maximum delta V it could impart would be utterly incapable of diverting it to earth. It won't even break orbit from Didymos.
 Quoting: Astromut


Not much of a test then.
 Quoting: Anonymous Coward 80637690


It's a great test, actually. The weak gravity of Didymos means it's relatively easy to alter the smaller asteroid's orbit in a way that is measurable to verify the exact delta-V imparted, and it provides a test on a real but very small asteroid of just how effective a kinetic impactor will be. Will it even hold together or break up? If it breaks up, a kinetic impactor may not be a good option in case of a large threatening rock. Breaking up a real impact threat would lead to smaller asteroids potentially hitting earth regardless.
 Quoting: Astromut


Testing kinetic energy in a gravitational field only gives useable data on the impact of body in gravity. How does that help ascertain if the asteroid will break up in zero gravity?
 Quoting: Anonymous Coward 80637690


What on earth are you talking about? Everything experiences gravity. Even if it were not orbiting a larger asteroid, it would still be in a solar orbit and experiencing the sun's gravity (not to mention perturbations from every planet).
astrobanner2
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07/26/2021 11:57 AM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
Nothing to worry about.

There's a group of people on this site who believe no one has ever been to outer space.

No doubt the offending asteroids will be wished away.
 Quoting: The Starbuckian


Of maybe there right and what we'll be experiencing is simulations? Bombs and shit to make us think it's asteroids?

We don't know shit. With project blue beam and CERN we can really only speculate what's real and not.

I wouldn't doubt it's fake and just another tool to take over.

Imagine pogo/ zypher....this and people dropping dead in fall all at the same time and o yeah massive quakes?

Are these all going to happen at the same time? Along with famine? Forgot that biggie too
Anonymous Coward
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07/26/2021 11:57 AM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
The Double Asteroid Redirection Test (DART) mission is directed by NASA to the Johns Hopkins Applied Physics Laboratory (APL) with support from several NASA centers: the Jet Propulsion Laboratory (JPL), Goddard Space Flight Center (GSFC), Johnson Space Center (JSC), Glenn Research Center (GRC), and Langley Research Center (LaRC).

DART is a planetary defense-driven test of technologies for preventing an impact of Earth by a hazardous asteroid. DART will be the first demonstration of the kinetic impactor technique to change the motion of an asteroid in space. The DART mission is in Phase C, led by APL and managed under NASA’s Solar System Exploration Program at Marshall Space Flight Center for NASA’s Planetary Defense Coordination Office and the Science Mission Directorate’s Planetary Science Division at NASA Headquarters in Washington, DC.

The binary near-Earth asteroid (65803) Didymos is the target for the DART demonstration. While the Didymos primary body is approximately 780 meters across, its secondary body (or “moonlet”) is about 160-meters in size, which is more typical of the size of asteroids that could pose the most likely significant threat to Earth. The Didymos binary is being intensely observed using telescopes on Earth to precisely measure its properties before DART arrives.

[link to www.nasa.gov (secure)]

glassesoff

damned
 Quoting: Anonymous Coward 80659637


The degenerates only want to divert the binary one.

They will embrace the non-binary one.
Danger Dan

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07/26/2021 12:00 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
hiding

Last Edited by Danger Dan on 07/26/2021 12:00 PM
Always choose dangerous freedom over safe slavery
Vego

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07/26/2021 12:09 PM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
Why an Asteroid Strike Is Like a Pandemic

[link to www.scientificamerican.com (secure)]

It's almost like they're trying to tell us something.

What stands out most to me is the repeated statements that "we are in no danger"
 Quoting: StellaBlue


Reminds me of last February..."The risk to the public remains low"
The bad news is nothing lasts forever. The good news is nothing lasts forever.
SomeRandomPerson

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07/26/2021 12:11 PM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


It doesn't work like that. You don't hit something in space, aiming precisely, and it goes the wrong way.

Learn some physics please. At least Newtonian physics.
I believe in science NOT religion. Giving me bad karma for that, is anti-religious (you're passing judgement) I am just a man. Of no significance. Who found religion to be full of lies, and wrong doing, conflicted teachings
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Anonymous Coward
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07/26/2021 12:12 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


I know! I bet they are doing it the worst possible way.
Anonymous Coward
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07/26/2021 12:13 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


It doesn't work like that. You don't hit something in space, aiming precisely, and it goes the wrong way.

Learn some physics please. At least Newtonian physics.
 Quoting: SomeRandomPerson


Shut up, Hand.
MarPep

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07/26/2021 12:13 PM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


Ye.

That could make it WORSE.
 Quoting: Anonymous Coward 80659637

Not going to happen. The maximum delta V it could impart would be utterly incapable of diverting it to earth. It won't even break orbit from Didymos.
 Quoting: Astromut


They are projecting a less than a 1% change in speed of the moonlet.



"The DART spacecraft will achieve the kinetic impact deflection by deliberately crashing itself into the moonlet at a speed of approximately 6.6 km/s, with the aid of an onboard camera (named DRACO) and sophisticated autonomous navigation software. The collision will change the speed of the moonlet in its orbit around the main body by a fraction of one percent, but this will change the orbital period of the moonlet by several minutes - enough to be observed and measured using telescopes on Earth."

"The DART spacecraft launch window begins November 24, 2021. DART will launch aboard a SpaceX Falcon 9 rocket from Vandenberg Air Force Base, California. After separation from the launch vehicle and over a year of cruise it will intercept Didymos’ moonlet in late September 2022, when the Didymos system is within 11 million kilometers of Earth, enabling observations by ground-based telescopes and planetary radar to measure the change in momentum imparted to the moonlet."



The mass of the DART spacecraft is 610 kg.
Someone should be able to figure momentum and kinetic energy from that. The mass of the entire Asteroid and moonlet system is 5 X 10^11 kg, but the moonlet probably accounts for less than 10% of that.
_______________
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Anonymous Coward
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07/26/2021 12:19 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
If there is no chance of it hitting earth... why put so much money and effort into diverting it ???

Things that make you go... "Hmmmm".

Methinks it IS on a collision course with earth.
Anonymous Coward
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07/26/2021 12:21 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


Ye.

That could make it WORSE.
 Quoting: Anonymous Coward 80659637

Not going to happen. The maximum delta V it could impart would be utterly incapable of diverting it to earth. It won't even break orbit from Didymos.
 Quoting: Astromut


Again, you think you know it all. Amazing the Ego on this one.
Anonymous Coward
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07/26/2021 12:23 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
If there is no chance of it hitting earth... why put so much money and effort into diverting it ???

Things that make you go... "Hmmmm".

Methinks it IS on a collision course with earth.
 Quoting: Anonymous Coward 79541984


Ye, and there is probably more than Didymos..

damned
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07/26/2021 12:24 PM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
160m is nothing dangerous
 Quoting: Funney


That one that hit Russia was only ~60 feet. This one is nearly 500 feet. That would devastate a country.

Interesting that the JWST, the first Artemis launch and this launch all around November. huh
The wheels of justice turn slowly, but grind exceedingly fine.
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07/26/2021 12:24 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
So is this where the money goes?
Anonymous Coward
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07/26/2021 12:25 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
I've been watching this since hearing about it months ago, there's other threads about it...

My gut tells me this is going to be big trouble.

5 stars
 Quoting: StellaBlue


——

I’ve had the same intuitive, spiritual indicators as well.

Anonymous Coward
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07/26/2021 12:27 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


Ye.

That could make it WORSE.
 Quoting: Anonymous Coward 80659637

Not going to happen. The maximum delta V it could impart would be utterly incapable of diverting it to earth. It won't even break orbit from Didymos.
 Quoting: Astromut


Again, you think you know it all. Amazing the Ego on this one.
 Quoting: Anonymous Coward 80660128


Careful, he's juvenile and spiteful. Between the armchair astronomer and his alter-ego "Artificial Person" it is truly hard to tell who is pitching and who is catching.disgust2
Anonymous Coward
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07/26/2021 12:27 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
If there is no chance of it hitting earth... why put so much money and effort into diverting it ???

Things that make you go... "Hmmmm".

Methinks it IS on a collision course with earth.
 Quoting: Anonymous Coward 79541984



You're forgetting things like, for example, the Olympic games. They're spending reportedly over $24 BILLION on an event where people toss around a ball, jump into a pool, run around a track or twirl around bars.

Spending big money on hobbies and pleasures is a way of life.
Anonymous Coward
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07/26/2021 12:30 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
Seems to be a subject of concern, not just for NASA.
Why would China waste 20 rockets?


China wants to launch asteroid-deflecting rockets to save Earth from Armageddon

Chinese scientists are planning to fire more than 20 rockets into space to divert an asteroid impact that has a small chance of one day ending life on Earth.

Their target is an asteroid named Bennu, a 85.5-million-ton (77.5 million metric ton) space rock that is on track to swoop within 4.6 million miles (7.5 million kilometers) of Earth's orbit between 2175 and 2199. Although Bennu's chances of striking Earth are slim — at just 1 in 2,700 — the asteroid is as wide as the Empire State Building is tall, meaning that any collision with the Earth would be cataclysmic.

[link to www.livescience.com (secure)]
 Quoting: StellaBlue


——-
Small chance of hitting the earth?? There’s much more coming. It’s great they are working on defense systems.

You know that movie Greenland? Nibiru Trailer? Just saying.

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07/26/2021 12:41 PM

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
...


Ye.

That could make it WORSE.
 Quoting: Anonymous Coward 80659637

Not going to happen. The maximum delta V it could impart would be utterly incapable of diverting it to earth. It won't even break orbit from Didymos.
 Quoting: Astromut


Again, you think you know it all. Amazing the Ego on this one.
 Quoting: Anonymous Coward 80660128


Careful, he's juvenile and spiteful. Between the armchair astronomer and his alter-ego "Artificial Person" it is truly hard to tell who is pitching and who is catching.disgust2
 Quoting: Anonymous Coward 78274099

I don't use sock puppets. Falsely accusing a mod of such things is supremely stupid.
astrobanner2
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07/26/2021 12:48 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
I've been watching this since hearing about it months ago, there's other threads about it...

My gut tells me this is going to be big trouble.

5 stars
 Quoting: StellaBlue


How often has that gut of yours been right about things that pop up on this site, rofl
Anonymous Coward
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07/26/2021 12:51 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
The Double Asteroid Redirection Test (DART) mission is directed by NASA to the Johns Hopkins Applied Physics Laboratory (APL) with support from several NASA centers: the Jet Propulsion Laboratory (JPL), Goddard Space Flight Center (GSFC), Johnson Space Center (JSC), Glenn Research Center (GRC), and Langley Research Center (LaRC).

DART is a planetary defense-driven test of technologies for preventing an impact of Earth by a hazardous asteroid. DART will be the first demonstration of the kinetic impactor technique to change the motion of an asteroid in space. The DART mission is in Phase C, led by APL and managed under NASA’s Solar System Exploration Program at Marshall Space Flight Center for NASA’s Planetary Defense Coordination Office and the Science Mission Directorate’s Planetary Science Division at NASA Headquarters in Washington, DC.

The binary near-Earth asteroid (65803) Didymos is the target for the DART demonstration. While the Didymos primary body is approximately 780 meters across, its secondary body (or “moonlet”) is about 160-meters in size, which is more typical of the size of asteroids that could pose the most likely significant threat to Earth. The Didymos binary is being intensely observed using telescopes on Earth to precisely measure its properties before DART arrives.

[link to www.nasa.gov (secure)]

glassesoff

damned
 Quoting: Anonymous Coward 80659637


Didnt they say back in the mid 1990's that Didymos is the one thats supposed to have a direct impact on Earth in 2028?
Anonymous Coward
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07/26/2021 12:53 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
"some guy who goes around who can see thru all the bullshit and doesn't want to play daily staged theater psyops with the butt bois and lesbian witch cult might possibly break through our prison planet control grid of lies and diseased mental illness, find himself a normal life, quick let's have one of the rainbow lgbtqv asstronomer pups write up a harry pitter asteroid magick spell revealing our plans as part of the rules in our oath to satan calls of us to do, just mask it as an outer space news article and change the words around like we did with "Gay" and the rainbow. can't let him ground out on earth and possibly infect others with the truth or let his virus spread"
Joe Anonymous

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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
The Double Asteroid Redirection Test (DART) mission is directed by NASA to the Johns Hopkins Applied Physics Laboratory (APL) with support from several NASA centers: the Jet Propulsion Laboratory (JPL), Goddard Space Flight Center (GSFC), Johnson Space Center (JSC), Glenn Research Center (GRC), and Langley Research Center (LaRC).

DART is a planetary defense-driven test of technologies for preventing an impact of Earth by a hazardous asteroid. DART will be the first demonstration of the kinetic impactor technique to change the motion of an asteroid in space. The DART mission is in Phase C, led by APL and managed under NASA’s Solar System Exploration Program at Marshall Space Flight Center for NASA’s Planetary Defense Coordination Office and the Science Mission Directorate’s Planetary Science Division at NASA Headquarters in Washington, DC.

The binary near-Earth asteroid (65803) Didymos is the target for the DART demonstration. While the Didymos primary body is approximately 780 meters across, its secondary body (or “moonlet”) is about 160-meters in size, which is more typical of the size of asteroids that could pose the most likely significant threat to Earth. The Didymos binary is being intensely observed using telescopes on Earth to precisely measure its properties before DART arrives.

[link to www.nasa.gov (secure)]

glassesoff

damned
 Quoting: Anonymous Coward 80659637


...and let's see how well we can fuck this up!


bert-facepalm
Just hitching a ride around the Universe on this speck of Cosmic Dust...
Anonymous Coward
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07/26/2021 12:55 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


What if they succeed and divert it to the earth?
Anonymous Coward
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07/26/2021 12:56 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
should call it "Gaia" though, amirite?

65803 is a big threat to "Gaia"? innit?

does pup need go ask his witch boss if dat what's it's called in their "circle"?
Anonymous Coward
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07/26/2021 12:56 PM
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Re: NASA: We Will Try To Divert Binary Near-Earth Asteroid (65803) Didymos...
And what if they fail and divert it to the earth
 Quoting: Anonymous Coward 41173011


:trumpimpact:
 Quoting: Artificial Person







GLP