Tag Archives: TAR

Ripples of rock

A Piece of Mars: To the upper right of this 0.85x0.6 km (0.53x0.37 mi) scene is a flat-lying plain strewn with large ripples. To the lower left is a rugged hill with gray rock laced with white veins (this might ...

Island in the stream

A Piece of Mars: In the floor of what might have been an old fluvial channel there are a bunch of really neat dunes (or maybe ripples, they're TARs and we don't know yet what they are). One spire pokes ...

Mars’ corduory

A Piece of Mars: The wind on Mars likes to make textiles (unfortunately the term geotextiles is already taken for other purposes). This 1x0.6 km (0.62x0.37 mi) scene shows two different sets of ripples. The larger set has straight to ...

The crazy laciness of martian TARs

A Piece of Mars: Take a look at the windblown stuff in this 0.55x0.625 km (0.34x0.39 mi) scene. Those are intricate patterns of a sort of dune-ripple thing that forms all over on Mars, but not so much on Earth. ...

Westward moving

A Piece of Mars: No great scientific insights today, just a really lovely view of bright TARs and some very dark sand in this 0.875x0.5 km (0.54x0.31 mi) scene. Only one major wind acts in this region, moving sediment toward ...

The bowl of windstuff

A Piece of Mars: Get out your red and cyan glasses to see an old crater, which fills this 0.775x0.7 km (0.48x0.43 mi) scene. The crater punched through many thin layers when it formed, some of which you can still ...

Martian lace

A piece of Mars: This 300x300 m (984x984 ft) scene shows bright windblown dunes or ripples arrayed in a lacy pattern (the biggest ones are about 5 m, or 16 ft, across). This is near the landing site of Ares ...