Ever since Curiosity landed on Mars in 2012, it's been roaming around Mars, doing experiments and learning new things about the Red Planet. In it's latest message sent home, Curiosity sent a selfie after completing a chemistry experiment that's only been conducted on Mars once before. It was obviously very proud of itself.
Curiosity has stayed in one place since it landed on Mars: a crater called the Gale Crater. But this isn't any old crater - it's 96 square miles large and is estimated to be around 3.5 billion years old. There's a lot for Curiosity to discover here, including the towering mountainous region called Mount Sharp. Curiosity has been climbing this peak for a while now, and it has been performing a wet chemistry experiment on the clay that the mountain is composed of. Clay is known to reveal chemical history, so this experiment should yield some interesting results.
The selfie that Curiosity took is actually a composition of 57 individual photos stitched together. The results from the clay experiment should be reported back to Earth within a few weeks, and hopefully we'll get another photo of Curiosity looking as cute as it looks in this photo.
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