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  #31  
Old 11-16-2014, 03:19 PM
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Re: LIVE Right Now: Comet Landing LIVE

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Originally Posted by deanmine View Post
it would be a great discover if we find that the type of water thats on that comet is of the same chemistry they have here on earth. so far we know that comets have a heavier hydrogen content .. along with other metals

(Comet 67P is NOT a comet,” the letter continues) sounds like some people here in the d.r. lol......

Yeah, exactly "Some 20 years ago Nasa began detecting radio bursts from an unknown origin out in space. It would later be known that these had likely come from the direction of the now named comet 67P. It does show signs on its outside of machine like parts and unnatural terrain."

"Unnatural" to whom exactly??? our myopic view of space, and our cosmic less than a blink of an eye existence on this planet haha

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  #32  
Old 11-16-2014, 04:20 PM
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Re: LIVE Right Now: Comet Landing LIVE

this should help.. its pretty much at scale .. give or take...lol..

austin texas

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  #33  
Old 11-18-2014, 12:47 PM
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Re: LIVE Right Now: Comet Landing LIVE

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Originally Posted by deanmine View Post
I am so uncouth lol; I keep hearing "fellate" when the narrator says "Philae" haha. Hope theyre able to get more data back before "fellate" fails to "get it up" forever.

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  #34  
Old 11-18-2014, 12:48 PM
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Re: LIVE Right Now: Comet Landing LIVE

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Originally Posted by deanmine View Post
this should help.. its pretty much at scale .. give or take...lol..

austin texas
Youre not too far out there Imagine this comet hitting a city like that ELE for sure.

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  #35  
Old 04-14-2015, 10:31 AM
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Re: LIVE Right Now: Comet Landing LIVE

The singing comet

Rosetta’s Plasma Consortium (RPC) has uncovered a mysterious ‘song’ that Comet 67P/Churyumov-Gerasimenko is singing into space. RPC principal investigator Karl-Heinz Glaßmeier, head of Space Physics and Space Sensorics at the Technische Universität Braunschweig, Germany, tells us more.
Sound_comet2

Artist's impression of the 'singing comet' 67P/Churyumov-Gerasimenko. Credit: ESA/Rosetta/NavCam

RPC consists of five instruments on the Rosetta orbiter that provide a wide variety of complementary information about the plasma environment surrounding Comet 67P/C-G. (Reminder: Plasma is the fourth state of matter, an electrically conductive gas that can carry magnetic fields and electrical currents.)

The instruments are designed to study a number of phenomena, including: the interaction of 67P/C-G with the solar wind, a continuous stream of plasma emitted by the Sun; changes of activity on the comet; the structure and dynamics of the comet’s tenuous plasma ‘atmosphere’, known as the coma; and the physical properties of the cometary nucleus and surface.

But one observation has taken the RPC scientists somewhat by surprise. The comet seems to be emitting a ‘song’ in the form of oscillations in the magnetic field in the comet’s environment. It is being sung at 40-50 millihertz, far below human hearing, which typically picks up sound between 20 Hz and 20 kHz. To make the music audible to the human ear, the frequencies have been increased by a factor of about 10,000.

The music was heard clearly by the magnetometer experiment (RPC-Mag) for the first time in August, when Rosetta drew to within 100 km of 67P/C-G. The scientists think it must be produced in some way by the activity of the comet, as it releases neutral particles into space where they become electrically charged due to a process called ionisation. But the precise physical mechanism behind the oscillations remains a mystery.

“This is exciting because it is completely new to us. We did not expect this and we are still working to understand the physics of what is happening,” says Karl-Heinz.

RPC may also be able to help in tracking Philae’s descent to the surface of 67P/C-G on 12 November, in tandem with the lander’s on-board magnetometer, ROMAP .

The sonification of the RPC-Mag data was compiled by German composer Manuel Senfft (www.tagirijus.de).

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http://blogs.esa.int/rosetta/2014/11...singing-comet/

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  #36  
Old 04-14-2015, 01:15 PM
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Re: LIVE Right Now: Comet Landing LIVE

oh this is some coooool fuckin shit....... wow.... this is what i love about space,.

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  #37  
Old 04-14-2015, 06:12 PM
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Re: LIVE Right Now: Comet Landing LIVE

now I notice I uploaded a pic of Ceres a planetoid like Vesta

I gonna make a post about Stellarium...

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  #38  
Old 04-16-2015, 01:10 PM
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Re: LIVE Right Now: Comet Landing LIVE

http://blogs.esa.int/rosetta/2015/04...d-on-13-april/

at 13/4/15 Comet 67P was for the first time observed by 3 amateur astronomers in Chili, by Soulier etc... It was not possible to see it as it was in solar conjunction.

it's 399.000.000 km away and approaching the sun

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  #39  
Old 02-12-2016, 02:22 PM
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Re: LIVE Right Now: Comet Landing LIVE

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Scientists gave up Friday trying to contact robot lab Philae, stubbornly silent on the surface of a comet streaking through space - closing a captivating chapter in an historic quest.

"Time to say goodbye to Philae," announced the German Aerospace Centre DLR, and said it "will no longer be sending any commands".

Philae's comet host is moving further and further away from the Sun and its battery-boosting rays, and by this point "there is indeed little hope to still get a signal", project manager Stephan Ulamec told AFP.

The probe was "probably" covered with comet dust, and shaded on the craggy surface of its alien home - comet 67P/Churyomov-Gerasimenko.

Comet-orbiting mothership Rosetta will continue listening for Philae for a month or two, until it can no longer spare the energy required.

But Ulamec insisted: "to be honest and to be realistic: It's really not likely that we will hear anything any more".

The washing machine-sized probe's exploits captured the hearts and minds of thousands, hardened scientists and children alike, who followed its every move via social media and fretted when it fell silent.

Philae touched down on November 12 2014, after a 10-year, 6.5-billion-kilometre odyssey through space, piggybacking on Rosetta.

Placing a probe on 67P marked a breakthrough moment in the European Space Agency's mission to prod a comet for clues to the origins of life on Earth.

The months that followed yielded exciting scientific finds, and more than a little drama, as Philae intermittently phoned home between long bouts of sleep.

The lander "tweeted" about its exploits, also captured in a cartoon depicting Philae as an intrepid adventurer with a hard hat and studded boots - Rosetta's brave little "brother".

Permanent hibernation

Philae last phoned home on July 9 last year as the comet closed in on its closest and most sunbathed point, or perihelion, reached on August 13.

Looping out again on its 6.5-year orbit, the comet by now is about 350 million km from the Sun, likely too far and much too cold for Philae to recharge and reboot.

Once out of the Sun's reach, Philae "will go into permanent hibernation", according to the DLR, which hosts the lander control centre in Cologne.

"Still listening, but I fear @Philae2014 is facing tough conditions on #67P...," Rosetta "tweeted" on Friday.

The tweet sported a drawing of a worried-looking Rosetta imagining Philae in a thought bubble - a cute box-shaped character asleep on a mat on the ground in complete darkness between cliffs, little fingers gripping a blanket.

"... we can't prove anything, but certainly the suggestion is that the lander is either dead or broken," European Space Agency (ESA) senior science adviser Mark McCaughrean told AFP.

"In July-August, we tried very hard with Rosetta to make contact, including flying trajectories close enough and in the same direction as those where we did hear from Philae previously," but to no avail.

General consensus: 'It's over'

The absence of a signal does in itself not prove the lander is dead, as it may simply be unable to make contact with Rosetta.

But after seven months of silence, "I think the general consensus is that it's over," said McCaughrean.

Philae's landing 15 months ago was bumpy - the lab bounced several times before ending up at an angle in shade.

But this also changed its mission specs.

If it had been out in the open, as planned, Philae would likely have overheated around April 2015, as 67P approached the Sun.

Instead, the probe entered standby mode on November 15, 2014 after sending home data from some 60 hours of comet sniffing and prodding with eight of its 10 instruments.

It awoke on June 13, and "tweeted": "Hello Earth! Can you hear me?"

After eight brief contacts, the lab fell silent again.

In January this year, ground controllers relayed commands for Philae to activate an onboard instrument in the hopes this would shake dust from its solar panels and better align the robot.

They heard nothing back.

Rosetta will continue its comet observations, said ESA, moving in closer and closer until September when it will join Philae on the surface of 67P in an endless loop around the Sun.

Just before touching down, Rosetta will try and spot Philae, allowing scientists to finally pinpoint its exact location and recalibrate some of the data it had sent home.

"We should not be too sad about what we could not achieve, but should be happy about what we could achieve," Ulamec said.

"We knew there was an end to the mission."

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  #40  
Old 02-12-2016, 03:12 PM
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Re: LIVE Right Now: Comet Landing LIVE

Interstellar Helen Keller.


(Say it three times fast. )

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