NASA’s Curiosity rover touched down on Mars in August 2012, and it’s been cruising around, taking pictures lasers at rocks, drilling into the flooring, and performing science experiments ever since. Appropriate last week, records came out that Curiosity had came for the duration of one thing salty. The rover is riding for the duration of Gale Crater, an venerable Martian lake bed that became as soon as full of water, and has came for the duration of sulfate salts.
Scientists heart of attention on this is seemingly which ability that of a extremely dry interval when water evaporated, leaving the salts within the back of. Our receive Earth stays wet because we bask in an ambiance and a magnetic field, which keeps our planet watery and healthy so we can conveniently continue to exist. However the story for Mars is moderately more advanced. Billions of years within the past, Mars had an ambiance however it absolutely’s continually had a slightly miniature magnetic field, so the describe voltaic winds from the Solar stripped the ambiance away over time—leaving it the dry, arid planet we bask in grown to take care of.
This week we’re going to rove around on Mars alongside the ideal, baddest, robot on the crimson planet.