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Skimming the inner planets: Updates on MESSENGER and Venus Express

Emily Lakdawalla • June 24, 2014 • 1

The two spacecraft currently orbiting the two innermost planets are both flying low in their orbits in the final phases of their missions. MESSENGER just performed a rocket burn to raise its orbit slightly, while Venus Express did the opposite.

What are Mercury's hollows?

Emily Lakdawalla • February 18, 2014 • 10

I've been fascinated by Mercury's hollows ever since MESSENGER discovered them. Two recent papers look at where they are found to try to figure out how they form.

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