Guess game on water possibility on Mars hots up
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Dem!god
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sirji..you believe we went on moon....
Levina
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Isnt it saturn where it rains diamonds???
I remember we had a fight but I had forgotten the year I had predicted.ha ha ha....
we had this bitter argument first over moon and then mars....on the isro mission to mars thread.....
you predicted we will reach there, next decade and chinese will have a base on moon by 2030 ....and may start mineral excavation by that time....
So its 2030 then
thesolar65
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sirji..you believe we went on moon....
Not we, but USians. But we found water through Chandrayan!!
Dem!god
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hey haven't you applied for one way ticket to mars....Isnt it saturn where it rains diamonds???
I remember we had a fight but I had forgotten the year I had predicted.
So its 2030 then
don't worry..pack your bags..we will go there together...
and don't keep extra makeup....those are just waste will increase weight...
yes yes..I meant that only......you believe USA landed on moon....
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thesolar65
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Well, Ummmmm,....,Well....Yes, I believe it!!
Levina
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Yes I might take all my students to a field visit to mars.And since you're my student you can tag alonghey haven't you applied for one way ticket to mars....
don't worry..pack your bags..we will go there together...
Dem!god
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well sirji...I will suggest you to watch conspiracy theory once......I think it will change your general perception..
ha ha ha...Yes I might take all my students to a field visit to mars.And since you're my student you can tag along
who will carry the baggage.....as a teacher you won't...
so, you think I am the beast of burden,,,,
don't worry I can still carry your baggage....
let's start mission mars..
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thesolar65
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Well, tomorrow I will watch it.But it's 11 on the clock, so good night.
Dem!god
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Ok good nite...
Dem!god
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@levina
here are your diamonds jewel...
P
Diamonds big enough to be worn by Hollywood film stars could be raining down on Saturn and Jupiter, US scientists have calculated.
New atmospheric data for the gas giants indicates that carbon is abundant in its dazzling crystal form, they say.
Lightning storms turn methane into soot (carbon) which as it falls hardens into chunks of graphite and then diamond.
These diamond "hail stones" eventually melt into a liquid sea in the planets' hot cores, they told a conference.
Continue reading the main story
“Start Quote
People ask me - how can you really tell? It all boils down to the chemistry. And we think we're pretty certain”
Dr Kevin BainesUniversity of Wisconsin-Madison
The biggest diamonds would likely be about a centimetre in diameter - "big enough to put on a ring, although of course they would be uncut," says Dr Kevin Baines, of the University of Wisconsin-Madison and Nasa's Jet Propulsion Laboratory.
He added they would be of a size that the late film actress Elizabeth Taylor would have been "proud to wear".
"The bottom line is that 1,000 tonnes of diamonds a year are being created on Saturn.
"People ask me - how can you really tell? Because there's no way you can go and observe it.
"It all boils down to the chemistry. And we think we're pretty certain."
Thunderstorm alleys
Baines presented his unpublished findings at the annual meeting of the Division for Planetary Sciences of the American Astronomical Society in Denver, Colorado, alongside his co-author Mona Delitsky, from California Speciality Engineering.
Gigantic storms on Saturn create black clouds of soot - which hardens into diamonds as it falls
Uranus and Neptune have long been thought to harbour gemstones. But Saturn and Jupiter were not thought to have suitable atmospheres.
Baines and Delitsky analysed the latest temperature and pressure predictions for the planets' interiors, as well as new data on how carbon behaves in different conditions.
They concluded that stable crystals of diamond will "hail down over a huge region" of Saturn in particular.
"It all begins in the upper atmosphere, in the thunderstorm alleys, where lightning turns methane into soot," said Baines.
"As the soot falls, the pressure on it increases. And after about 1,000 miles it turns to graphite - the sheet-like form of carbon you find in pencils."
By a depth of 6,000km, these chunks of falling graphite toughen into diamonds - strong and unreactive.
These continue to fall for another 30,000km - "about two-and-a-half Earth-spans" says Baines.
"Once you get down to those extreme depths, the pressure and temperature is so hellish, there's no way the diamonds could remain solid.
"It's very uncertain what happens to carbon down there."
One possibility is that a "sea" of liquid carbon could form.
"Diamonds aren't forever on Saturn and Jupiter. But they are on Uranus and Neptune, which are colder at their cores," says Baines.
'Rough diamond'
The findings are yet to be peer reviewed, but other planetary experts contacted by BBC News said the possibility of diamond rain "cannot be dismissed".
"The idea that there is a depth range within the atmospheres of Jupiter and (even more so) Saturn within which carbon would be stable as diamond does seem sensible," says Prof Raymond Jeanloz, one of the team who first predicted diamonds on Uranus and Neptune.
"And given the large sizes of these planets, the amount of carbon (therefore diamond) that may be present is hardly negligible."
However Dr Nadine Nettelmann, of the University of California, Santa Cruz, said further work was needed to understand whether carbon can form diamonds in an atmosphere which is rich in hydrogen and helium - such as Saturn's.
The planet 55 Cancri e may not be so precious after all, a new study suggests
"Baines and Delitsky considered the data for pure carbon, instead of a carbon-hydrogen-helium mixture," she explained.
"We cannot exclude the proposed scenario (diamond rain on Saturn and Jupiter) but we simply have no data on mixtures in the planets. So we do not know if diamond formation occurs at all."
Meanwhile, an exoplanet that was believed to consist largely of diamond may not be so precious after all, according to new research.
The so-called "diamond planet" 55 Cancri e orbits a star 40 light-years from our Solar System.
A study in 2010 suggested it was a rocky world with a surface of graphite surrounding a thick layer of diamond, instead of water and granite like Earth.
But new research to be published in the Astrophysical Journal, calls this conclusion in question, making it unlikely any space probe sent to sample the planet's innards would dig up anything sparkling.
Carbon, the element diamonds are made of, now appears to be less abundant in relation to oxygen in the planet's host star - and by extension, perhaps the planet.
"Based on what we know at this point, 55 Cancri e is more of a 'diamond in the rough'," said author Johanna Teske, of the University of Arizona.
BBC News - 'Diamond rain' falls on Saturn and Jupiter
here are your diamonds jewel...
P
Diamonds big enough to be worn by Hollywood film stars could be raining down on Saturn and Jupiter, US scientists have calculated.
New atmospheric data for the gas giants indicates that carbon is abundant in its dazzling crystal form, they say.
Lightning storms turn methane into soot (carbon) which as it falls hardens into chunks of graphite and then diamond.
These diamond "hail stones" eventually melt into a liquid sea in the planets' hot cores, they told a conference.
Continue reading the main story
“Start Quote
People ask me - how can you really tell? It all boils down to the chemistry. And we think we're pretty certain”
Dr Kevin BainesUniversity of Wisconsin-Madison
The biggest diamonds would likely be about a centimetre in diameter - "big enough to put on a ring, although of course they would be uncut," says Dr Kevin Baines, of the University of Wisconsin-Madison and Nasa's Jet Propulsion Laboratory.
He added they would be of a size that the late film actress Elizabeth Taylor would have been "proud to wear".
"The bottom line is that 1,000 tonnes of diamonds a year are being created on Saturn.
"People ask me - how can you really tell? Because there's no way you can go and observe it.
"It all boils down to the chemistry. And we think we're pretty certain."
Thunderstorm alleys
Baines presented his unpublished findings at the annual meeting of the Division for Planetary Sciences of the American Astronomical Society in Denver, Colorado, alongside his co-author Mona Delitsky, from California Speciality Engineering.
Uranus and Neptune have long been thought to harbour gemstones. But Saturn and Jupiter were not thought to have suitable atmospheres.
Baines and Delitsky analysed the latest temperature and pressure predictions for the planets' interiors, as well as new data on how carbon behaves in different conditions.
They concluded that stable crystals of diamond will "hail down over a huge region" of Saturn in particular.
"It all begins in the upper atmosphere, in the thunderstorm alleys, where lightning turns methane into soot," said Baines.
"As the soot falls, the pressure on it increases. And after about 1,000 miles it turns to graphite - the sheet-like form of carbon you find in pencils."
By a depth of 6,000km, these chunks of falling graphite toughen into diamonds - strong and unreactive.
These continue to fall for another 30,000km - "about two-and-a-half Earth-spans" says Baines.
"Once you get down to those extreme depths, the pressure and temperature is so hellish, there's no way the diamonds could remain solid.
"It's very uncertain what happens to carbon down there."
One possibility is that a "sea" of liquid carbon could form.
"Diamonds aren't forever on Saturn and Jupiter. But they are on Uranus and Neptune, which are colder at their cores," says Baines.
'Rough diamond'
The findings are yet to be peer reviewed, but other planetary experts contacted by BBC News said the possibility of diamond rain "cannot be dismissed".
"The idea that there is a depth range within the atmospheres of Jupiter and (even more so) Saturn within which carbon would be stable as diamond does seem sensible," says Prof Raymond Jeanloz, one of the team who first predicted diamonds on Uranus and Neptune.
"And given the large sizes of these planets, the amount of carbon (therefore diamond) that may be present is hardly negligible."
However Dr Nadine Nettelmann, of the University of California, Santa Cruz, said further work was needed to understand whether carbon can form diamonds in an atmosphere which is rich in hydrogen and helium - such as Saturn's.
"Baines and Delitsky considered the data for pure carbon, instead of a carbon-hydrogen-helium mixture," she explained.
"We cannot exclude the proposed scenario (diamond rain on Saturn and Jupiter) but we simply have no data on mixtures in the planets. So we do not know if diamond formation occurs at all."
Meanwhile, an exoplanet that was believed to consist largely of diamond may not be so precious after all, according to new research.
The so-called "diamond planet" 55 Cancri e orbits a star 40 light-years from our Solar System.
A study in 2010 suggested it was a rocky world with a surface of graphite surrounding a thick layer of diamond, instead of water and granite like Earth.
But new research to be published in the Astrophysical Journal, calls this conclusion in question, making it unlikely any space probe sent to sample the planet's innards would dig up anything sparkling.
Carbon, the element diamonds are made of, now appears to be less abundant in relation to oxygen in the planet's host star - and by extension, perhaps the planet.
"Based on what we know at this point, 55 Cancri e is more of a 'diamond in the rough'," said author Johanna Teske, of the University of Arizona.
BBC News - 'Diamond rain' falls on Saturn and Jupiter
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Levina
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Thanks for the article.
I know it sounds good that on some planet it rains diamonds.
But I am sure that you didnt miss the line "diamonds are not forever" on these planets.So that would water down all my efforts to reach Saturn by 2040.
And did you know diamonds bring in a loss of 30% when sold....so no I dont like diamonds anymore.
I am a shrewd business woman too.
I know it sounds good that on some planet it rains diamonds.
But I am sure that you didnt miss the line "diamonds are not forever" on these planets.So that would water down all my efforts to reach Saturn by 2040.
And did you know diamonds bring in a loss of 30% when sold....so no I dont like diamonds anymore.
I am a shrewd business woman too.
Alpha1
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KAL-EL
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Did you know that all the US space shuttle launches were also fake too? They were just really sophisticated holograms Matter of fact, most of the US space program was fake as well. It's all just one giant conspiracy
Levina
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Well because INDIA has managed a chandrayan and a mangalyaan(which by god's grace will reach Mars by sep 2014) so I had predicted that by 2030 our vyomonauts will land on Mars
(Alphee pls understand that the above statement was made during a heated argument...so under such circumstances things do get exaggerated
....
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