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Martian Cartography
stevesliva
post Aug 27 2009, 11:38 PM
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Schiaparelli? Wasn't my first guess. Lowell was.
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Phil Stooke
post Aug 28 2009, 12:25 AM
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No, but from the same period as Schiaparelli - even the same opposition as the famous one that resulted in canali and satellites, I think.

Phil


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nprev
post Aug 28 2009, 12:44 AM
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WAG based on a half-memory: Herschel?


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Phil Stooke
post Aug 28 2009, 12:50 AM
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You Doofus! No... He was 100 years before the opposition I just mentioned.

Phil


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nprev
post Aug 28 2009, 12:53 AM
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laugh.gif ...sorry, haven't been drinking enough lately!


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Simon_Frazier
post Aug 28 2009, 02:16 AM
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Hi Phil:

I think this might be Dawes' work.

If I recall correctly, he was an English astronomer in the mid-19th century, and he named all the continents and seas he observed on Mars. Places like "Dawes' Continent", and "Dawes' Ocean"...

Simon

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mhoward
post Aug 28 2009, 02:20 AM
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Hmm. Flammarion? Looks similar, but different.
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volcanopele
post Aug 28 2009, 02:51 AM
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Asaph Hall?


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Phil Stooke
post Aug 28 2009, 03:02 AM
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Simon is close... but Dawes was the observer, not the cartographer.

Phil


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mhoward
post Aug 28 2009, 03:19 AM
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Proctor, then? I wouldn't have guessed that.
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Phil Stooke
post Aug 28 2009, 03:25 AM
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Excellent - now we have the cartographer, Richard Proctor. All we need now for the unveiling of the great Mars Bar is the publication. Who can track that down?

Proctor was criticised quite correctly for naming too many things after Dawes - including Dawes' Forked Bay, which was Schiaparelli's Sinus Meridiani. So he revised his naming scheme. And look at the map... where Schiaparelli had 'canali', he has rivers!

Phil


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stevesliva
post Aug 28 2009, 04:01 AM
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QUOTE (Phil Stooke @ Aug 27 2009, 10:25 PM) *
where Schiaparelli had 'canali', he has rivers!


Did these guys know how large Mars was? Would have been some wide rivers.
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nprev
post Aug 28 2009, 06:17 AM
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Okay, an attempt at redemption: Proctor's Other Worlds Than Ours, 1870.


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Phil Stooke
post Aug 28 2009, 11:21 AM
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No, the 'Other Worlds' map was his first, the one with the flawed nomenclature.

"Did these guys know how large Mars was? Would have been some wide rivers. "
Not really - lines are not usually drawn with width to scale - look at the width of a highway on a road map of a continent.


Phil


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stevesliva
post Aug 28 2009, 04:35 PM
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QUOTE (Phil Stooke @ Aug 28 2009, 06:21 AM) *
"Did these guys know how large Mars was? Would have been some wide rivers. "
Not really - lines are not usually drawn with width to scale - look at the width of a highway on a road map of a continent.


Yeah. And I'm not saying they didn't lack the skepticism to consider that linear features could be lots of other things. It's just that when you look at a globe of the earth, and imagine it through a telescope, you won't see rivers. It would have been interesting to wonder what they expected Earth's albedo features to be. Were they expecting Amazon and Nile or even Red Sea in amongst water, brown land, green land, ice, and clouds?

Might actually be interesting to get a few photos of Mars at opposition through similar or antique telescopes and say, this is about what they were looking at. Granted, the eyeball is a little better than a photo.
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