1446: "Landing"

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burnthills
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Re: 1446: "Landing"

Postby burnthills » Wed Nov 12, 2014 5:48 pm UTC

High-pitch thread to decrease force needed downward + thrusters may be a solution?

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Re: 1446: "Landing"

Postby Neil_Boekend » Wed Nov 12, 2014 5:49 pm UTC

"We're Philae on the comet,
We didn't fire our harpoon,
Cuz there aint no whales,
So we take our samples,
And we sing our whaling tune"

@Orthogon: Philae has a rocket on his back that pushes him into the comet. Those tanks won't last forever but it's sufficient to screw in and fire the harpoons (redundancy).
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Klear
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Re: 1446: "Landing"

Postby Klear » Wed Nov 12, 2014 5:50 pm UTC

Screw that! They should fire the harpoons. For science.

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Whizbang
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Re: 1446: "Landing"

Postby Whizbang » Wed Nov 12, 2014 5:51 pm UTC

Maybe they are saving them to use on the question mark raiders?

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Quercus
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Re: 1446: "Landing"

Postby Quercus » Wed Nov 12, 2014 5:51 pm UTC

orthogon wrote:How to you screw into the ground below you in a micro-g of gravity? Self tappers are hard enough to get started at the best of times. With bugger all to push against it sounds like the DIY job from hell. The air around Philae would be blue, if there was any.


There is a thruster on the top of the lander to provide a counter-force, and I think there's some clever clockwork which screws in the screws using the energy from the touchdown itself.

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Re: 1446: "Landing"

Postby BlitzGirl » Wed Nov 12, 2014 5:52 pm UTC

Klear wrote:Screw that! They should fire the harpoons. For science.

If this was an episode of Mythbusters they'd have blown up the comet by now.
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geekguyandy
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Re: 1446: "Landing"

Postby geekguyandy » Wed Nov 12, 2014 5:53 pm UTC

The top thruster was there to counter the upward push of the harpoons launching. I think the plan was to harpoon first, and use that pulling force to engage the screws from the lander feet.

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Djehutynakht
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Re: 1446: "Landing"

Postby Djehutynakht » Wed Nov 12, 2014 5:54 pm UTC

Well the mission's got to end eventually. We could fire the harpoons then, at the very least... because why not? What have we to lose? I'm sure sending the command isn't an extraordinary waste of European tax-monies.

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geekguyandy
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Re: 1446: "Landing"

Postby geekguyandy » Wed Nov 12, 2014 5:58 pm UTC

uh oh...

"Officials aren't sure of Philae's condition after reaching the comet's surface. Data indicates the lander's harpoon anchoring system did not fire, and mission control is receiving intermittent signals from the probe."

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Re: 1446: "Landing"

Postby BlitzGirl » Wed Nov 12, 2014 5:59 pm UTC

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LordHorst
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Re: 1446: "Landing"

Postby LordHorst » Wed Nov 12, 2014 5:59 pm UTC

The suspense is killing me... switching status back to "Worried".

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Klear
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Re: 1446: "Landing"

Postby Klear » Wed Nov 12, 2014 6:00 pm UTC

OK, *now* I'm back to nervous.

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Neil_Boekend
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Re: 1446: "Landing"

Postby Neil_Boekend » Wed Nov 12, 2014 6:04 pm UTC

There is a reason to fire the harpoons: during the approach of the sun the surface may become unstable. More anchorage points might keep philae longer in a usefull place.

There is a reason NOT to fire the harpoons: The force of them may dislodge Philae and send him back into space.

If I am informed correctly, the main reasons for the lander are:
1. to take samples and analyse them.
2. To send signals through the comet to Rosetta. Like X raying the comet (but with radio signals)
After all that it will observe the changes in the surface of the comet as it approaches the sun. Then a stable anchorage would be usefull and the first, more important experiments will not be at risk (because they are finished)

And of course they should fire the harpoons because else they carried them 500,000,000 km for nothing.

Preview edit: that is IF they haven't been fired already. This is rocket science after all.
Mikeski wrote:A "What If" update is never late. Nor is it early. It is posted precisely when it should be.

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Valarya
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Re: 1446: "Landing"

Postby Valarya » Wed Nov 12, 2014 6:05 pm UTC

Image

He did it. So cute.
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Klear
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Re: 1446: "Landing"

Postby Klear » Wed Nov 12, 2014 6:05 pm UTC

!!!!!

TheTemplar
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Re: 1446: "Landing"

Postby TheTemplar » Wed Nov 12, 2014 6:06 pm UTC

I'm really excited for this :shock:

LordHorst
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Re: 1446: "Landing"

Postby LordHorst » Wed Nov 12, 2014 6:06 pm UTC

YES!

EDIT: Status Report: Happy.

EDIT again: We still don't know if harpoons work on comets. That's a huge let down. I guess another mission is needed to verify it.
Last edited by LordHorst on Wed Nov 12, 2014 6:08 pm UTC, edited 1 time in total.

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PolakoVoador
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Re: 1446: "Landing"

Postby PolakoVoador » Wed Nov 12, 2014 6:08 pm UTC

Scientists are now adopting my suggested approach to fighting hangover: more drinking!

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Klear
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Re: 1446: "Landing"

Postby Klear » Wed Nov 12, 2014 6:08 pm UTC

The last picture added the screws already screwed in. I'm still holding out hope for the harpoons.

Edit: Now that I think of it, it might be best to save them as a defensive measure in case raptors happen.
Last edited by Klear on Wed Nov 12, 2014 6:09 pm UTC, edited 1 time in total.

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Envelope Generator
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Re: 1446: "Landing"

Postby Envelope Generator » Wed Nov 12, 2014 6:09 pm UTC

Before Randall goes to sleep—he must've been awake over 13 hours by now!!1—there'll be a pic about how everyone forgot completely about poor Rosetta.
I'm going to step off the LEM now... here we are, Pismo Beach and all the clams we can eat

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Klear
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Re: 1446: "Landing"

Postby Klear » Wed Nov 12, 2014 6:11 pm UTC

Envelope Generator wrote:—he must've been awake over 13 hours by now!!1—


That's pretty normal even for those of you whose weeks have 7 days, isn't it?

TheTemplar
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Re: 1446: "Landing"

Postby TheTemplar » Wed Nov 12, 2014 6:13 pm UTC

Klear wrote:
Envelope Generator wrote:—he must've been awake over 13 hours by now!!1—


That's pretty normal even for those of you whose weeks have 7 days, isn't it?

Yes, 16 hours is normal I believe. But this should be going on for quite a while, no?

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Envelope Generator
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Re: 1446: "Landing"

Postby Envelope Generator » Wed Nov 12, 2014 6:14 pm UTC

That was just a terminus post quem. Or is it ante quem?
Last edited by Envelope Generator on Wed Nov 12, 2014 6:14 pm UTC, edited 1 time in total.
I'm going to step off the LEM now... here we are, Pismo Beach and all the clams we can eat

eSOANEM wrote:If Fonzie's on the order of 100 zeptokelvin, I think he has bigger problems than difracting through doors.

eidako
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Re: 1446: "Landing"

Postby eidako » Wed Nov 12, 2014 6:14 pm UTC

Gravel. In SPAAAACE.
Spoiler:
Image


Edit: and now she's linking back here.
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Last edited by eidako on Wed Nov 12, 2014 6:18 pm UTC, edited 2 times in total.

LordHorst
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Re: 1446: "Landing"

Postby LordHorst » Wed Nov 12, 2014 6:15 pm UTC

Klear wrote:
Envelope Generator wrote:—he must've been awake over 13 hours by now!!1—


That's pretty normal even for those of you whose weeks have 7 days, isn't it?


Well... I got up around 6am, worked about 9 hours until 5pm, now it's 7:14pm... that's 11 hours. I will be up until around 11pm... yes, definitely more than 13 hours.

EraObserver
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Re: 1446: "Landing"

Postby EraObserver » Wed Nov 12, 2014 6:18 pm UTC

This was a bit ago but I need to respond to it:

LordHorst wrote:
EraObserver wrote:Why is it every time I have a large assignment due in my school Randall creates an awesome new thing to explore? Now I'm excited about science when I should be writing a paper...


Can't you just change the topic of the paper to "Whales in space" or something?


That would be an interesting change in my paper...

Professor: I need to talk to you about this paper that you gave me. You remember that this is a class about taxes, right?
Me: Yes, I remember that.
Professor: And I gave you a problem about a business to analyze?
Me: Yes.
Professor: Well, you changed the business into a comet delivery system. And you have harpoon-shooting whales running it. In space.
Me: Hey, it was the smartest business move to make!
Professor: And then you gave everyone tax cuts because of how "awesome" they are.
Me: And you wouldn't?

... I'm not sure if it would work. Tempting, but I don't think it would end well.

Okay, back to fretting over how Philae is doing.
*Insert witty comment*

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HAL9000
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Re: 1446: "Landing"

Postby HAL9000 » Wed Nov 12, 2014 6:19 pm UTC

Hm. Still no update. I guess they've slowed down to match the rate at which Philae sends messages?

BlitzGirl wrote:That part is like "The Last Airbender" movie. WE DO NOT SPEAK OF IT.

Speaking of which, when is Shyamalan going to get around to adapting The Legend of Korra?
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LordHorst
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Re: 1446: "Landing"

Postby LordHorst » Wed Nov 12, 2014 6:22 pm UTC

EraObserver wrote:This was a bit ago but I need to respond to it:

LordHorst wrote:
EraObserver wrote:Why is it every time I have a large assignment due in my school Randall creates an awesome new thing to explore? Now I'm excited about science when I should be writing a paper...


Can't you just change the topic of the paper to "Whales in space" or something?


That would be an interesting change in my paper...

Professor: I need to talk to you about this paper that you gave me. You remember that this is a class about taxes, right?
Me: Yes, I remember that.
Professor: And I gave you a problem about a business to analyze?
Me: Yes.
Professor: Well, you changed the business into a comet delivery system. And you have harpoon-shooting whales running it. In space.
Me: Hey, it was the smartest business move to make!
Professor: And then you gave everyone tax cuts because of how "awesome" they are.
Me: And you wouldn't?

... I'm not sure if it would work. Tempting, but I don't think it would end well.

Okay, back to fretting over how Philae is doing.


You could elaborate on the question if whales in space should have to pay taxes or not. And how much taxes Rosetta and Philae have to pay to the 67P government. They will spent a considerable amount of time there...

Qalyar
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Re: 1446: "Landing"

Postby Qalyar » Wed Nov 12, 2014 6:25 pm UTC

You1 asked for it, and OTT tradition demands it, so here's the first double-dactyl version of today's events:
1well, no, no one did, actually...

Higgledy piggledy
Comets (their nuclei):
never has anyone
landed on one.

Though there were challenges,
Philae so signaled us,
anthropomorphically,
"This, I have done."

TheTemplar
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Re: 1446: "Landing"

Postby TheTemplar » Wed Nov 12, 2014 6:29 pm UTC

Is it me, or has it been about 25 minutes with no update?

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HAL9000
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Re: 1446: "Landing"

Postby HAL9000 » Wed Nov 12, 2014 6:30 pm UTC

Qalyar wrote:You1 asked for it, and OTT tradition demands it, so here's the first double-dactyl version of today's events:
1well, no, no one did, actually...

Higgledy piggledy
Comets (their nuclei):
never has anyone
landed on one.

Though there were challenges,
Philae so signaled us,
anthropomorphically,
"This, I have done."


This made me grin. Thank you :D
HAL9000 wrote:I find it simultaneously fascinating and disturbing that the most profound things I've read in the past months I have encountered in or been led to by an internet forum thread about a webcomic.

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geekguyandy
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Re: 1446: "Landing"

Postby geekguyandy » Wed Nov 12, 2014 6:30 pm UTC

No updates, but the alt-text is still [LIVE]

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Klear
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Re: 1446: "Landing"

Postby Klear » Wed Nov 12, 2014 6:32 pm UTC

eidako wrote:Gravel. In SPAAAACE.
Spoiler:
Image


Edit: and now she's linking back here.


So I guess her status is "wine!!!!!" Good for her. I had that yesterday. My head still haven't forgiven me.

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Klear
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Re: 1446: "Landing"

Postby Klear » Wed Nov 12, 2014 6:38 pm UTC

Image

He's OK!

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PolakoVoador
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Re: 1446: "Landing"

Postby PolakoVoador » Wed Nov 12, 2014 6:42 pm UTC

*Sciencing intesifies*

sdnelso2
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Re: 1446: "Landing"

Postby sdnelso2 » Wed Nov 12, 2014 6:46 pm UTC

This was a triumph!

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Reecer6
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Re: 1446: "Landing"

Postby Reecer6 » Wed Nov 12, 2014 6:51 pm UTC

Soooooo.... harpoons, Philae? Any time.

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geekguyandy
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Re: 1446: "Landing"

Postby geekguyandy » Wed Nov 12, 2014 6:53 pm UTC

There's a media briefing expected in just a few minutes, though it was already delayed by 30min once.

http://new.livestream.com/ESA/cometlanding

sdnelso2
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Re: 1446: "Landing"

Postby sdnelso2 » Wed Nov 12, 2014 6:55 pm UTC

geekguyandy wrote:There's a media briefing expected in just a few minutes, though it was already delayed by 30min once.

http://new.livestream.com/ESA/cometlanding

Well, light only travels so quickly.

speising
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Re: 1446: "Landing"

Postby speising » Wed Nov 12, 2014 6:59 pm UTC

sdnelso2 wrote:This was a triumph!

I'm making a note here: "Huge success!"


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