I recently came across an image shown in Universe Today of the Mars Curiosity rover taking a selfie. It wasn’t the one above, but pretty similar. This one’s from last year and is called the “Buckskin Self-Portrait”. I used it because it’s prettier but still demonstrates the same point. Anyway, I immediately noticed that there was no […]
And its orbital period is probably about 20,000 years. I’ll let the guys at Caltech fill you in on the details in this video (1m 09s), but scroll down if you just want a quick summary.