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Ceres’ pyramid gets its close-up

Image: Ceres' pyramid
NASA’s Dawn spacecraft spotted this tall, conical mountain on Ceres from a distance of 915 miles (1,470 kilometers). The mountain, located in the southern hemisphere, stands 4 miles (6 kilometers) high. (Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA)

NASA’s mission to that other dwarf planet, Ceres, has delivered a fresh bird’s-eye view of one of the asteroid’s most mysterious features: a cone-shaped, 4-mile-high “pyramid” mountain whose sides are covered with bright material.

The Dawn mission’s principal investigator says those shiny sides may be connected to Ceres’ other big mystery: the bright spots that shine out from the mini-world’s dark surface.

“The bright material on the mountain and in the bright spots are probably the same material,” UCLA’s Christopher Russell told GeekWire in an email. “How the material got on the sides of the mountain and also in the bottom of the craters is unknown.”

Which begs the question: What is that stuff?

Read the full story on GeekWire.

By Alan Boyle

Mastermind of Cosmic Log, contributing editor at GeekWire, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.

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