Inhabited entirely by robots, Mars is the enigmatic planet that is under intense exploration by humanity. The curiosity rover has been making it’s way closer to Mount Sharp in the Gale Crater, intending to slowly climb the mountain, sampling rocks from different eras in Mars’ history along the way. One of the last regions to cross before beginning its ascent is the region known as the Bagnold dunes, strange dark features similar to sand dunes on Earth. Photos from Curiosity show the beauty and detail in the dark features. The dark dunes have very interesting ripple features, similar to those...
Every so often we see a new set of images from Pluto, giving us a chance to rediscover it multiple times. It’s like we are experiencing the July fly-by over and over again, and each new set of images reveals something new and exciting. I feel the same sense of excitement and discovery each time I see a new image, realizing that it spent 6 hours as a beam of light crossing the 5 Billion Kilometres of the solar system to connect us to the New Horizons probe, a lonely little piece of human ingenuity flying through the darkness. Here...
When the Rosetta spacecraft entered orbit around comet 67P/Churyumov-Gerasimenko, first images captured deep circular depressions among the other surface features. Now that the orbiter has taken significant observations of the comet’s surface, the science team has concluded that these depressions are actually sinkholes that form by the same processes that form sinkholes 500 Million kilometers away here on Earth. Sinkholes on Earth form when subsurface material is eroded away. Though not initially visible on the surface, the material falls deep underground leaving a circular cavern. Once enough material has eroded away, the top of the cavern collapses, leaving a large...
