US
・UK
And this is one reason why I and so many other people geeked out so hard last December when Mars' seven-year-old rover Opportunity found a 20-inch-long vein of gypsum that was almost certainly deposited by, like, long-term liquid water on the surface of Mars.
Mars' seven-year-old rover, Opportunity, found a 20-inch long vein of gypsum that was almost
Also known as Giant Crystal Cave, the gypsum crystals found here are so huge that the largest found was 12 meters in length, 4 meters in diameter,
the gypsum crystals found here are so huge
They grew up right up the road in the The food alone is enough to make the trip worth it, but if you ever find yourself in Las Cruces, New Mexico, at the top of your list has to be White Sands National Park. 275 square miles of gypsum dune fields.
275 square miles of gypsum dune fields.
Over millions of years, that water evaporated and left behind deposits of gypsum.
Over millions of years, that water evaporated and left behind deposits of gypsum.
and looked out among the tomato vines and gypsum weeds that constituted the garden.
and looked out among the tomato vines and gypsum weeds that constituted the garden.
I'm back in the saddle again, out where a friend is a friend, where the long-horned cattle feed on the lowly gypsum weed.