A dramatic, fresh impact crater on Mars dominates this image taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter on Nov. 19, 2013. NASA/JPL-Caltech/Univ. of Arizona

Naming landmarks on Mars isn't just for scientists and rover drivers anymore.

Starting today (Feb. 26), anybody with an Internet connection and a few dollars to spare can give a moniker to one of the Red Planet's 500,000 or so unnamed craters, as part of a mapping project run by the space-funding company Uwingu.

"This is the first people's map of Mars, where anybody can play," said Uwingu CEO Alan Stern, a former NASA science chief who also heads the space agency's New Horizons mission to Pluto. "It's a very social thing." [7 Biggest Mysteries of Mars]

Putting your stamp on Mars isn't free. Naming the smallest craters will set you back $5, with prices going up as crater size increases. Uwingu will use the money raised by the project -- which could be more than $10 million, if people name every available Martian crater -- to fund grants in space exploration, research and education, which is the company's stated chief purpose.

"We're developing this grant fund -- the Uwingu fund -- for people who've been hit by sequestration," Stern told Space.com. "There's nothing like it right now. They have no place to go; it's either NASA, NSF [the National Science Foundation] or you're out of luck."

Stern hopes the effort will succeed in naming all of Mars' cataloged craters by the end of 2014, helping to fill in a lot of gaps in Red Planet cartography. (The company aims to solicit names for other Red Planet features, such as canyons and mountains, in the future.)

The project could also provide a sort of cultural snapshot, revealing what people are thinking about and what's important to them at this moment, he added.

"It's like taking a picture of ourselves," Stern said. "What will people put? Will there be a lot of craters named for politicians? For artists, for relatives, for places on Earth? Sports teams?"

The crater-naming project is not a contest, working instead on a first-come, first-served basis. Names will be accepted immediately and will remain approved unless Uwingu officials later determine them to be profane or otherwise offensive.

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Name a Red Planet crater for $5