Planetary Exploration, Future Of - Research Article from Macmillan Science Library: Space Sciences

This encyclopedia article consists of approximately 5 pages of information about Planetary Exploration, Future Of.
This section contains 1,316 words
(approx. 5 pages at 300 words per page)
Buy the Planetary Exploration, Future Of Encyclopedia Article

Sending Spacecraft to the Planets

The U.S. Ranger spacecraft (1961-1965) were designed to crash into the Moon, transmitting television images right up to the moment of impact. The Surveyor spacecraft (1966-1968) soft-landed on the Moon, verifying that the lunar surface would support an Apollo lander, taking pictures of the surface surroundings, and performing the first crude geochemical analyses of lunar rocks. A series of Lunar Orbiter spacecraft photographed the Moon, developed the film onboard, scanned the developed images, and transmitted the scans to Earth. The Orbiter photographs constituted the primary database for planning the Apollo landings and comprised the only global set of pictures available to scientists for over twenty-five years.

A Soviet Zond spacecraft (1965) returned the first pictures of the far-side of the Moon, the side that always faces away from Earth. Although of poor quality, the pictures showed features that the Soviets were...

(read more)

This section contains 1,316 words
(approx. 5 pages at 300 words per page)
Buy the Planetary Exploration, Future Of Encyclopedia Article
Copyrights
Macmillan Science Library: Space Sciences
Planetary Exploration, Future Of from Macmillan Science Library: Space Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
Follow Us on Facebook