Mars Science Laboratory: Curiosity Rover - NASA Science (original) (raw)

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Sulfur Crystals on Mars: Curiosity’s Happy Accident and Other Surprises (Live Public Talk)

Scientists were stunned when a wheel on the Curiosity Mars rover recently cracked open a rock to reveal something never seen before on the Red Planet: yellow sulfur crystals. Dr. Ashwin Vasavada, Curiosity’s project scientist, explains the significance of the finding as well as other notable discoveries from the mountain-climbing Mars explorer’s 12th year on the Red Planet.

More on NASA's Mars Curiosity Rover

Meet Curiosity

Size

About the size of a small SUV — 10 feet long, 9 feet wide and 7 feet tall), not including the arm.

Mass/weight

1,982 lbs (899 kilograms) on Earth gravity; 743 lbs in Mars gravity (899 kilograms)

Features

Geology lab, rocker-bogie suspension, rock-vaporizing laser and lots of cameras

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Landing Site: Gale Crater

Curiosity explores Gale Crater and acquires rock, soil, and air samples for onboard analysis. The car-size rover is about as tall as a basketball player and uses a 7 foot-long arm to place tools close to rocks selected for study. Curiosity's large size allows it to carry an advanced kit of 10 science instruments. It has tools including 17 cameras, a laser to vaporize and study small pinpoint spots of rocks at a distance, and a drill to collect powdered rock samples. It hunts for special rocks that formed in water and/or have signs of organics.

The Curiosity rover has taught us a lot about the history of Mars and its potential to support life. Take a tour of its landing site, Gale Crater. Credit NASA/JPL-Caltech

Watch

View raw images sent back by Curiosity from its explorations on Mars.

Visit the one-stop-shop for all Curiosity media.

Read updates provided by self-selected Mars Science Laboratory mission team members who love to share what Curiosity is doing with the public.