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New Olympus Mons image, 6 km high scarp
SigurRosFan
post Mar 3 2006, 03:16 PM
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http://www.esa.int/SPECIALS/Mars_Express/SEMIPVMVGJE_0.html - Eastern scarp of Olympus Mons (Press Information)

http://www.esa.int/SPECIALS/Mars_Express/SEMIPVMVGJE_1.html - Eastern scarp of Olympus Mons (Images)

Image was taken on Nov. 23, 2004:


Lava flows are up to 200 million years old and the network-bearing area was geologically active as recent as 30 million years ago.


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Phil Stooke
post May 10 2006, 07:05 PM
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Nice one, Doug - look at the cloud shadows! If the sun elevation is known the cloud height can be calculated.

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helvick
post May 10 2006, 07:53 PM
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QUOTE (Phil Stooke @ May 10 2006, 08:05 PM) *
Nice one, Doug - look at the cloud shadows! If the sun elevation is known the cloud height can be calculated.

Well from plugging the average time given for the image (2004-11-23 16:11:22) Latitude (20.2913N) and longitude (-230.7915W) into mars 24 I get a Solar Elevation of 53.7deg and Solar Azimuth of 279.9deg if that's any help.
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helvick
post May 10 2006, 08:12 PM
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QUOTE (helvick @ May 10 2006, 08:53 PM) *
Well from plugging the average time given for the image (2004-11-23 16:11:22) Latitude (20.2913N) and longitude (-230.7915W) into mars 24 I get a Solar Elevation of 53.7deg and Solar Azimuth of 279.9deg if that's any help.

Hmmh - I measure about 62 pixels between the clouds and their shadows in the middle of the picture. According to the metadata the resolution is approx 90.9m/pixel. With the above solar elevation I get an altitude of around 7.67km above the surface (where the shadow is) for those clouds.
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helvick
post May 10 2006, 08:40 PM
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QUOTE (helvick @ May 10 2006, 09:12 PM) *
Hmmh - I measure about 62 pixels between the clouds and their shadows in the middle of the picture. According to the metadata the resolution is approx 90.9m/pixel. With the above solar elevation I get an altitude of around 7.67km above the surface (where the shadow is) for those clouds.

A quick and dirty look at the MOLA elevation data for this spot on Google Mars puts the area where the shadow is at somewhere around 3km above datum which puts these clouds 10km below the top of Olympus so they are possibly water clouds.
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Posts in this topic
- SigurRosFan   New Olympus Mons image   Mar 3 2006, 03:16 PM
- - Richard Trigaux   I alway wondered where this huge scarp is coming f...   Mar 3 2006, 03:38 PM
|- - Richard Trigaux   QUOTE (Richard Trigaux @ Mar 3 2006, 04:3...   Mar 5 2006, 07:26 AM
- - SigurRosFan   QUOTE I alway wondered where this huge scarp is co...   Mar 4 2006, 07:01 PM
- - Decepticon   I remember reading Olympus Mons is not the tallest...   Mar 4 2006, 08:05 PM
- - Jyril   No, Olympus Mons is the tallest mountain. I remem...   Mar 4 2006, 08:13 PM
- - Nix   Amazing images Nico   Mar 4 2006, 10:51 PM
|- - David   Olympus Mons is so huge that you could probably la...   Mar 5 2006, 03:32 AM
- - edstrick   MOLA proved that Arsia or one of the 3 tharsis vol...   Mar 5 2006, 07:48 AM
|- - Richard Trigaux   QUOTE (edstrick @ Mar 5 2006, 08:48 AM) M...   Mar 5 2006, 07:54 AM
|- - RNeuhaus   QUOTE (edstrick @ Mar 5 2006, 02:48 AM) M...   May 10 2006, 08:08 PM
- - edstrick   There's clear evidence for catastrophic landsl...   Mar 5 2006, 09:26 AM
|- - Richard Trigaux   QUOTE (edstrick @ Mar 5 2006, 10:26 AM) T...   Mar 6 2006, 07:11 PM
- - tty   Huge peripheral landslides may be a quite normal p...   Mar 5 2006, 05:28 PM
|- - Richard Trigaux   QUOTE (tty @ Mar 5 2006, 06:28 PM) Huge p...   Mar 6 2006, 06:47 PM
- - edstrick   One of the mid-sized Hawiian islands has coral chu...   Mar 6 2006, 08:03 AM
- - Richard Trigaux   Googling ""Olympus Mons Aureole" (w...   Mar 6 2006, 07:29 PM
- - ljk4-1   This image of an area near Olympus Mons reminds me...   May 10 2006, 05:47 PM
- - djellison   Just out of pure curiosity, I found the orig. data...   May 10 2006, 06:26 PM
- - Phil Stooke   Nice one, Doug - look at the cloud shadows! I...   May 10 2006, 07:05 PM
|- - Bob Shaw   QUOTE (Phil Stooke @ May 10 2006, 08:05 P...   May 10 2006, 07:27 PM
|- - helvick   QUOTE (Phil Stooke @ May 10 2006, 08:05 P...   May 10 2006, 07:53 PM
|- - helvick   QUOTE (helvick @ May 10 2006, 08:53 PM) W...   May 10 2006, 08:12 PM
|- - helvick   QUOTE (helvick @ May 10 2006, 09:12 PM) H...   May 10 2006, 08:40 PM
- - djellison   Unfortunately, ESA being ESA - they've not gon...   May 10 2006, 07:12 PM
|- - jaywee   QUOTE (djellison @ May 10 2006, 09:12 PM)...   May 11 2006, 04:14 AM
- - djellison   Mars 24 - of COURSE.....stupid me, should have tho...   May 10 2006, 08:16 PM
- - djellison   Well - the Spice data's going to tell you wher...   May 11 2006, 07:45 AM
- - edstrick   "....I can't remember actually noticing *...   May 11 2006, 11:00 AM


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