Sachs Patera

Sachs Patera is a feature on Venus. Defined as a sag-caldera, Sachs is an elliptical depression 130 meters (81 feet) in depth, spanning 40 kilometers (25 mi) in width along its longest axis. The morphology implies that a chamber of molten material drained and collapsed, forming a depression surrounded by concentric scarps spaced 2 to 5 kilometres (1.2 to 3.1 mi) apart. The arc-shaped set of scarps, extending out to the north from the prominent ellipse, is evidence for a separate episode of withdrawal; the small lobe-shaped extension to the southwest may represent an additional event. Solidified lava flows 10 to 25 kilometres (6.2 to 15.5 mi) long give the caldera its flower-like appearance. The flows are a lighter tone of gray in the radar data because the lava is blockier in texture and consequently returns more radar waves. Much of the lava, which was evacuated from the chamber, probably traveled to other locations underground, while some of it may have surfaced further south. This is unlike calderas on Earth, where a rim of lava builds up in the immediate vicinity of the caldera.

Sachs Patera
Magellan radar image of Sachs
Feature typePatera
Coordinates49.1°N 334.2°E / 49.1; 334.2
Diameter65.0 km
EponymNelly Sachs

Notes
    gollark: That would also be very impractical, unless you make the "extra cores" basically a small independent computer with its own RAM and stuff.
    gollark: Connect PCIe devices, mostly, which you can do now.
    gollark: As far as I'm aware, the traces on the boards for the DIMMs have to be very precise lengths and stuff or the signals will get messed up.
    gollark: That's totally impractical.
    gollark: Sure?

    References
    • "Venus—Sag Caldera 'Sachs Patera". NASA/JPL. Retrieved 24 November 2010.
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