New Horizons and OSIRIS-REx spot their targets

Ultima Thule
The picture on the left was created by adding 48 different exposures from the LORRI camera on NASA’s New Horizons probe. The picture on the right has been processed to subtract the light from background stars, leaving an icy object known as Ultima Thule shining dimly in the crosshairs. (NASA / JHUAPL / SwRI Photo)

The next few months are due to bring two amazing interplanetary encounters: a rendezvous with an asteroid and a flyby past a mysterious icy object beyond Pluto on the solar system’s edge. Over the past few days, we’ve gotten our first fleeting peeks at both targets, and the view will only get better from now on.

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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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