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(CNN)   NASA probe to touch down on Asteroid Bennu today, hoping to boost its chances to win the general election in two weeks   (cnn.com) divider line
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1379 clicks; posted to Main » and STEM » on 20 Oct 2020 at 10:50 AM (6 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



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2020-10-20 10:18:07 AM  
The asteroid:
Fark user imageView Full Size

The landing sites:
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(Nightingale was selected)
And a gif of the test run they did (got to within 65' before backing off)
Fark user imageView Full Size


Once the probe grabs a sample it will return to earth. Very cool stuff indeed.
 
2020-10-20 10:34:49 AM  
I have a friend seriously involved in this and yes, there is quite a bit of excitement.  I'm seriously wondering if they are going to get any sleep this week.
 
2020-10-20 10:49:55 AM  
NASA is plague with sketchy launch vehicles and side stepping safety but God damn is their exploration game on point.

The sky crane on Mars is still one of the most insane things ever pulled off.

Sky Crane | National Geographic
Youtube p1WX0CATyn8
 
2020-10-20 10:52:49 AM  
At those speeds, wouldn't any landing alter its trajectory?
 
2020-10-20 11:00:30 AM  
hopefully they kept their metric and Imperial straight!
 
2020-10-20 11:05:46 AM  
I'd touch down on Beru, if you know what I mean and I think you do....

cdn3.movieweb.comView Full Size
 
2020-10-20 11:09:56 AM  
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Overjoyed
 
2020-10-20 11:12:57 AM  
Klaatu!
Veratuu!
*coughahem*Bennu!
 
2020-10-20 11:36:11 AM  

Gooch: At those speeds, wouldn't any landing alter its trajectory?


The relative speeds are small.  The ship is just going to boop the asteroid, not smash into it.

Smashing comes later. The DART mission takes off in 2021 to ram a 500kg ship into a small asteroid orbiting a larger one. The hope is the small asteroid will reduce orbital speed about 0.5mm/sec after impact.  Tiny tiny little change after intentionally whipping a 500kg object into an asteroid at a combined velocity of 6.6 km/s, or about 4 miles per second.
 
2020-10-20 11:52:23 AM  
Leave those assroids alone.
 
2020-10-20 12:04:34 PM  

wantingout: hopefully they kept their metric and Imperial straight!


No crap... even in the article the arm is going to gram between 2ozs and one kilo.  What the heck.  Why not in grams and kilos or oz and lbs?
 
2020-10-20 12:27:13 PM  
I hope there's a pic of the landing thrusters firing. I'd like to see Bennu and the jets.
 
2020-10-20 12:48:15 PM  
Heard on NPR this morning that they'd be happy with 60 grams, but that it can lift & deliver 2 Kg. Nice.
 
2020-10-20 1:10:42 PM  

vicejay: Heard on NPR this morning that they'd be happy with 60 grams, but that it can lift & deliver 2 Kg. Nice.


1 kilo, misheard that. 2.2 lbs.
 
2020-10-20 1:35:11 PM  

Quinzy: wantingout: hopefully they kept their metric and Imperial straight!

No crap... even in the article the arm is going to gram between 2ozs and one kilo.  What the heck.  Why not in grams and kilos or oz and lbs?


Mixing measurement systems is all the rage now.   This morning I traveled 80 kilometers at an average of 60 mph.
 
2020-10-20 1:42:32 PM  

dittybopper: Quinzy: wantingout: hopefully they kept their metric and Imperial straight!

No crap... even in the article the arm is going to gram between 2ozs and one kilo.  What the heck.  Why not in grams and kilos or oz and lbs?

Mixing measurement systems is all the rage now.   This morning I traveled 80 kilometers at an average of 60 mph.


In a car that gets 40 rods to the hogshead.
 
2020-10-20 1:45:57 PM  

Private_Citizen: dittybopper: Quinzy: wantingout: hopefully they kept their metric and Imperial straight!

No crap... even in the article the arm is going to gram between 2ozs and one kilo.  What the heck.  Why not in grams and kilos or oz and lbs?

Mixing measurement systems is all the rage now.   This morning I traveled 80 kilometers at an average of 60 mph.

In a car that gets 40 rods to the hogshead.


I prefer gills to the cable, but whateves.
 
2020-10-20 2:20:08 PM  
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2020-10-20 2:27:38 PM  
Livestream of spacecraft status: https://www.asteroidmission.o​rg/livest​ream/

They're doing it on Twitch of all things.
 
2020-10-20 2:44:17 PM  
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[Attenborough voice] "Here we have, in its natural state, the Osiris Rex. It's normally seen hunting because it has a ferocious appetite. An adult male can eat up to 200 kilos of asteroid meat in a day. It uses it's tiny arms to rip the helpless asteroid's heart out, which it then uses in one of the most bazar mating rituals ever seen" [Cue funky wha wha music]
 
2020-10-20 2:49:47 PM  
Typical,
A probe the size of a van needs two parking spaces.
 
2020-10-20 2:54:04 PM  

styckx: NASA is plague with sketchy launch vehicles and side stepping safety but God damn is their exploration game on point.


You mean like Genesis?  Where they had stunt helicopter pilots to swoop in and catch the return sample from mid-air, so it wouldn't have a hard landing if it came all the way down by parachute?


Genesis (spacecraft) landing failure.
Youtube -NkDbwfK4Us


(I worked at NASA's Solar Data Analysis Center at the time ... but this was more a "Heliophysics" mission.  (we had the remote sensing data, the solar wind / in situ data went to other archives)
 
2020-10-20 3:06:55 PM  
NASA TV is going to livestream this at 5PM Eastern
 
2020-10-20 5:28:19 PM  
What goddamn rocket scientist thought up those masks?  It's not like intelligible speech is an important part of an event that's mostly constant talking, right?
 
2020-10-20 5:49:51 PM  
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2020-10-20 6:17:33 PM  
Well that looked like a bunch of happy-ass nerds in mission control. Now we just wait for it to flail its arm around to find out how much dirt it got.
 
2020-10-20 6:31:56 PM  
Came for Bennu of the Golden Light.  Leaving happy
 
2020-10-20 6:32:53 PM  

Professor Science: Well that looked like a bunch of happy-ass nerds in mission control. Now we just wait for it to flail its arm around to find out how much dirt it got.


Fark user imageView Full Size
 
2020-10-20 7:00:55 PM  

Porous Horace: I hope there's a pic of the landing thrusters firing. I'd like to see Bennu and the jets.


Just like the song, NASA landings are ALL faked........https://www.reddit.com/r​/Showerthought​s/comments/bz4l7z/elton_john_adding_fa​ke_applause_in_bennie_and_the/
 
2020-10-21 1:01:32 AM  

Oneiros: You mean like Genesis?  Where they had stunt helicopter pilots to swoop in and catch the return sample from mid-air, so it wouldn't have a hard landing if it came all the way down by parachute?


They saved some money on that mission by not having the parachutes deployable by ground radio signal in the event the accelerometer was installed backwards.

This is the PI, using tweezers and a plastic spoon to pick bits of his experimental result out of the Utah dirt.
Fark user imageView Full Size


/Space is hard, but the Earth is harder.
 
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