MOM At Mars, Mission Operations |
MOM At Mars, Mission Operations |
Sep 24 2014, 02:33 AM
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Successful insertion!!!!! Congratulations to ISRO!!!!
-------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Oct 7 2014, 12:04 AM
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IMG to PNG GOD Group: Moderator Posts: 2254 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
Also comparing Mars's global color with the Curiosity images might not be accurate. In addition to light coming down through the atmosphere and getting reflected back out of it (as pointed out above) and seasonal variations in dust, Mars' global color isn't totally uniform (although color variations aren't big) and the Curiosity images show just one location on the surface.
Regarding Mars' color as seen through a telescope: There is a lot of orange color but I have found it to be orange with a slight pinkish tint as well but this is extremely subjective. Of the various versions of the MOM image I have seen, Don Davis' version is probably closest to what I have seen through a telescope in terms of color (but again, this is subjective). |
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Oct 7 2014, 12:26 AM
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#3
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
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Oct 7 2014, 11:01 AM
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Member Group: Members Posts: 378 Joined: 21-April 05 From: Portugal Member No.: 347 |
Completely subjective. And it changes with the telescope and magnification.
It's interesting that Mars seen with the naked eye (point souce) looks quite like Antares (that's why the star is called like that). That comparison seems to be valid for most people and since a long time. -------------------- _______________________
www.astrosurf.com/nunes |
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Oct 7 2014, 02:44 PM
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#5
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Senior Member Group: Members Posts: 4256 Joined: 17-January 05 Member No.: 152 |
Completely subjective. A measurement of spectral irradiance, ie the spectrum of incident light, is completely objective. Of course that's not what people are referring to when talking about telescope views. But it's worth remembering that, in principle, the "colour" of Mars could be measured and reproduced. In practice this would be extremely hard (no display devices exist to reproduce all, or a large part of, a visible spectrum, etc, etc...). The matter of subjectivity of perception is separate from this. But, getting back to the thread topic, it is easier to objectively discuss differences of colour. Long-term monitoring by MOM may tell us about seasonal variations on a global scale... |
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