Flying within 228 kilometers of the surface of Mercury on September 29, the MESSENGER spacecraft snapped portraits of a portion of the planet that had never before been imaged close-up.
PLANET PIN-UP The MESSENGER spacecraft has imaged previously unimaged terrain of Mercury, outlined in red here, and located in a wide vertical strip near the left edge of the planet.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
