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Old 22nd October 2008, 15:27   #31
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Why water? well if in future with advances in science if its possible and we need to get minerals/matter from moon for the needs of earth, biggest hurdle would be carrying water to moon and back for humans involved in it (if any).

Helium if found abundant, 1 ton = provide to whole energy needs of a country.

Cameras on board have a accuracy of 10 mt and this has not been done yet (google map images for india is at 50 mts IIRC). So precise mapping which will help in any future landing.

Cost of launch = 3 kms of Delhi metro, which is a pittance to pay according to many for such a mission.

There are many reasons like the above which i learned in the last few days of browsing news sites, i think we need to read up alot on this.
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Old 22nd October 2008, 15:55   #32
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Cameras on board have a accuracy of 10 mt and this has not been done yet (google map images for india is at 50 mts IIRC). So precise mapping which will help in any future landing.
yes, one professor mentioned today that this Chandrayan-I will plot a right location for the Chandrayan - II to land
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Old 24th October 2008, 20:36   #33
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Some more details on the mission

PSLV-C11 Successfully Launches Chandrayaan-1
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Old 29th October 2008, 16:05   #34
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Ok, time for an update

Chandrayaan-1’s Orbit Closer to Moon

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Chandrayaan-1 entered into a more elliptical orbit whose apogee (farthest point to Earth) lies at 267,000 km (two lakh sixty seven thousand km) while the perigee (nearest point to Earth) lies at 465 km. Thus, Chandrayaan-1 spacecraft’s present orbit extends more than half the way to moon. In this orbit, the spacecraft takes about six days to go round the Earth once.
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Old 29th October 2008, 16:11   #35
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One day maybe we can send all our politicians there.
Too close for comfort. The Sun might be a better choice.
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Old 29th October 2008, 16:20   #36
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I guess Bangalore's real estate agents are already planning a "Chandra Layout" there
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Old 31st October 2008, 23:52   #37
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Updates:
Camera tested successfully.
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The first imagery (image 1) taken at 8:00 am IST from a height of 9,000 km shows the Northern coast of Australia while the other (image 2) taken at 12:30 pm from a height of 70,000 km shows Australia’s Southern Coast.
Chandrayaan-1 Camera Tested
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Old 5th November 2008, 09:13   #38
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Chandrayaan-1 enters Lunar Transfer Trajectory
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The fifth and final orbit raising manoeuvre of Chandrayaan-1 spacecraft was successfully carried out today (November 4, 2008) morning at 04:56 am IST. During this manoeuvre, the spacecraft’s 440 Newton liquid engine was fired for about two and a half minutes.
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With this, Chandrayaan-1 entered the Lunar Transfer Trajectory with an apogee (farthest point to Earth) of about 380,000 km (three lakh eighty thousand km)
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Old 5th November 2008, 09:29   #39
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Originally Posted by mjothi View Post
Updates:
Camera tested successfully.
Chandrayaan-1 Camera Tested
Silly question but.... how come the image is black and white? Didnt they fit Chandrayaan with a color camera?
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Old 5th November 2008, 18:14   #40
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Silly question but.... how come the image is black and white? Didnt they fit Chandrayaan with a color camera?
Good question

Not sure, but this is one of the 2 camera the Sat has. May be the other one is color? No idea. CHANDRAYAAN-1: THE PAYLOADS

But, I think, the black and white provide more clear & depth pictures, right? May be our photo experts can clarify this.

Last edited by mjothi : 5th November 2008 at 18:18.
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Old 5th November 2008, 20:05   #41
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Chandrayaan-1 is an Indian Mission to the Moon. The indigenously developed payload/ experiments are:

TMC
Terrain Mapping stereo Camera (TMC) in the panchromatic band, having 5 m spatial resolution and 20 km swath

HySI
Hyper Spectral Imaging camera (HySI) operating in 400-950 nm bands with a spectral resolution better than 15 nm and spatial resolution of 80 m with a swath of 20 km

LLRI
Lunar Laser Ranging Instrument (LLRI) with height resolution of less than 5 m

HEX
High Energy X-ray spectrometer (HEX) using Cadmium-Zinc-Telluride (CdZnTe) detector in the 30-270 keV energy region with spatial resolution of 33 km

MIP
Moon Impact Probe (MIP) as piggyback on the main orbiter of the Chandrayaan-1 spacecraft, which will impact on the surface of the moon.

Apart from the above indigenous payloads/experiments, ISRO solicited proposals through an Announcement of Opportunity (AO) from International and Indian Scientific Community for participating in the mission by providing suitable scientific payloads, complementing the overall Chandrayaan-1 scientific objectives. Out of the proposals received, six experiments were selected for inclusion in Chandrayaan-1 mission; two of the AO payloads, C1XS and SARA are developed by ESA jointly with ISRO.
The AO payloads Onboard Chandrayaan-1 are:

C1XS
Chandrayaan-1 X-ray Spectrometer (C1XS) through ESA - a collaboration between Rutherford Appleton Laboratory,UK and ISRO Satellite Centre, ISRO. Part of this payload is redesigned by ISRO to suit Chandrayaan-1 scientific objectives.

SIR-2
Near Infra Red spectrometer (SIR-2) from Max Plank Institute for Solar System Science, through Max-Planck Society, Germany and ESA

SARA
Sub keV Atom Reflecting Analyser (SARA) through ESA, from Swedish Institute of Space Physics, Sweden and Space Physics Laboratory, Vikram Sarabhai Space Centre, ISRO. The digital processing unit of this payload/ experiment is designed and developed by ISRO, while Swedish Institute of Space Physics develops the payload.

RADOM
Radiation Dose Monitor Experiment (RADOM) from Bulgarian Academy of Sciences.

Mini-SAR
Miniature Synthetic Aperture Radar (Mini-SAR) from Applied Physics Laboratory, Johns Hopkins University and Naval Air Warfare Centre, USA through NASA

M3
Moon Mineralogy Mapper (M3) from Brown University and Jet Propulsion Laboratory, USA through NASA


Boy oh boy this one is loaded, who needs color pics after all this
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Old 9th November 2008, 07:07   #42
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With today’s successful manoeuvre, India becomes the fifth country to send a spacecraft to Moon. The other countries, which have sent spacecraft to Moon, are the United States, former Soviet Union, Japan and China. Besides, the European Space Agency (ESA), a consortium of 17 countries, has also sent a spacecraft to moon.
Chandrayaan-1 Successfully Enters Lunar Orbit
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Old 14th November 2008, 20:33   #43
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Default Tricolour on its way

As I type the MIP (moon impact probe) would be landing on the moon. The official time given is at 2031hrs IST.

Its certainly a proud moment for all us as after this India will be one amongst only four countries that have landed something on the moon.

I hope its a sucessfull mission, fingers crosed.
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Old 14th November 2008, 21:57   #44
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Default Congrats Guys!!!!

CONGRATS GUYS!!!!

We made it. Its a smooth mission 100% successful. We [MIP] have successfully landed on Moon.

India kisses the moon, Chandrayaan MIP lands

NDTV.com: India makes history, launches Tricolour on moon
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Old 14th November 2008, 22:27   #45
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Quote:
Originally Posted by mjothi View Post
Good question

Not sure, but this is one of the 2 camera the Sat has. May be the other one is color? No idea. CHANDRAYAAN-1: THE PAYLOADS

But, I think, the black and white provide more clear & depth pictures, right? May be our photo experts can clarify this.
my thought is that the pictures are not taken in visible band. may be in IR, and then converted to a visible image.
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