Shadow PlayThe Hubble Space Telescope caught sight of three of Jupiter’s moons seemingly strung out across the sprawling face of the gas giant in an image released on February 5.While the moons Callisto (lower left) and Io (upper right) parade across the banded clouds that encircle the planet, only the shadow of Europa (far lower left) made it into this frame of the march across the king of planets.—By Jane J. Lee, gallery by Sherry L. Brukbacher
Photograph by NASA, ESA, Hubble Heritage Team

Week’s Best Space Pictures: Sun Sparks, Rover Parks, and Moons Leave Marks

A nebula’s veil parts, a Mars rover is revealed, and moons make tracks across Jupiter in the week’s best space pictures.

Published February 7, 2015