Bad Astronomy
The entire universe in blog form
Jan. 8 2009 11:37 AM


OK, sure, I make fun of biology sometimes. I blame PZ; he's such an easy target! But then, sometimes, I wonder. Take a look at this:

Phil Plait Phil Plait

Phil Plait writes Slate’s Bad Astronomy blog and is an astronomer, public speaker, science evangelizer, and author of Death From the Skies!  

Dunes on Mars, or tentacles of a jellyfish?


Is this an orbital view of dune fields on Mars, or a close-up of tentacles on a jellyfish?

OK, they're dune fields. But don't they look biological? The grooves are gullies running down from the crests of the dunes, but from the altitude and resolution of the camera HiRISE on the Mars Reconnaissance Orbiter they look like organic growths seen through a microscope.

But since they're on Mars, they're way cooler.

You can keep up with new images from Mars on the HiRISE website. You can also follow HiRISE on Twitter!