Curiosity Views Mud Cracks in the Clay-Sulfate Transition Region – NASA Mars Exploration
NASA’s Curiosity Mars rover found preserved, ancient mud cracks that scientists believe were formed after long cycles of wet and dry conditions over many years. The discovery marks the first evidence of these wet-dry cycles on Mars.
Figure A shows a close-up of the mud cracks. Figure B shows another close-up of the mud cracks alongside the same image with the hexagonal shapes outlined in red.
How NASA Nearly Lost the Voyager 2 Spacecraft Forever | WIRED
When Suzanne Dodd's team transmitted a routine command to Voyager 2 on July 21, the unthinkable happened: They accidentally sent the wrong version, which pointed the interstellar probe's antenna slightly away from Earth. When they next expected to receive data, they heard nothing at all.
Here's what happened: Dodd's team at NASA's Jet Propulsion Laboratory had actually spotted the error in the command and corrected it—but then mistakenly sent out the flawed version. "It felt awful.
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