Rover Tracks: Blueberries on Mars?

The Rover team is amazed as Opportunity finds billions of "perfect little spheres" of iron-rich hematite, a strong suggestion that lots of water coursed across what is now the bone dry plains of Meridiani.
Credit: Dave Brody/NASA-Cal Tech-JPL/Cornell U.

All Episodes of Rover Tracks

Behind the Science with the Mars Exploration Rovers' Human Family

Episode 1
Rover Tracks: Blueberries on Mars?

The Rover team is amazed as Opportunity finds billions of "perfect little spheres" of iron-rich hematite...
Episode 2
Rover Tracks: Dumb Luck - Opportunity at Meridiani

"To a certain extent, you make your own luck," says Rover boss Steve Squyres. The bet his team places...
Episode 3
Rover Tracks: Spirit at Gusev - Lucky Again

It's a nasty surprise. Scientists target what they think is an old lake-bed. But all Spirit can find...
Episode 4
Rover Tracks: The Strange Case of Bounce Rock

It's a visitor from...somewhere. But where? The Mars Exploration Rover Science Team gets a betting...
Episode 5
Rover Tracks: Favorite Family Photos

How does it feel to be standing on another world; one you've thought and dreamed about for decades?...
Episode 6
Rover Tracks: Robots with Rock Star Personalities

Yes, they're identical twins. But they've gone in very different directions; done diverse things, in...
Episode 7
Rover Tracks: Deep Water - Runs Still?

Every piece of bedrock at Meridiani seems to tell a tale of vast amounts of liquid water, flowing over...
Episode 8
Rover Tracks: Why Go A-Rovin'?

Mobility is magic: The Rover team equips their wheeled field geologists with spectrometers, cameras...
Episode 9
Rover Tracks: Being There - Controlling Missions on Mars

"You really get the sense you can feel those Rovers," claims Arthur Amador as he and other mission managers...

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