[X] My Assistant

[Juramike]

Rev 69 Looking ahead is up!

http://ciclops.org/view/4889/Rev_69

The T44 Flyby highlights include:

1. ISS of Hotei Arcus
2. SAR RADAR Swath over Xanadu (Tui Regio) and N Central Shangri La (this is gonna be good!) and S Dilmun
3. More radiometry and scatterometry (over W Belet?)

-Mike

[Juramike]

This "dome or crusty lake thing" is really bugging me. There appears to be a RADAR darker outer margin as well.

It is a RADAR dark circular feature with a RADAR-brighter margin facing the look angle, as well as an outer RADAR-dark outer margin in the direction of the look angle.
This would be consistent with a RADAR dark feature with a semicircular trench/channel/valley at the edge.

The dark outer margin of the Xanadu feature is puzzling: the Ganesa Macula dome doesn't look like this, the lakes (even the crusty ones) don't look like this. The RADAR-bright margin of these Ganesa and the crusty zone lakes blends into the background.

The only thing I've seen similar is another dark circle in the NW Xanadu tectonic ridge image (PIA10654). It also has the same aspect with regard to look angle. (It is also situated next to an EW tectonic ridge as well).

Here is an graphic showing these two features in comparison. (I'm no longer real comfortable calling the NW Xanadu feature a degraded crater.)



-Mike