Pioneer program
Pioneer program Series of unmanned interplanetary probes launched by the USA. In 1960, Pioneer 5 measured distances within the Solar System and studied magnetism and the solar wind. Pioneer 10, launched in 1972, reached Jupiter in 1973. It investigated the planet's atmosphere and magnetic field, and sent back more than 300 pictures of the planet. Pioneer 11, launched in 1973, reached Jupiter in 1974, and Saturn in 1979 – discovering two moons there. In 1978, Pioneer Venus 1 and Pioneer Venus 2 entered Venus' atmosphere. The first orbited the planet for 14 years before it ceased operations. The second mission impacted with the planet.
http://arc.nasa.gov/Space_Projects/pioneer/PNhist.html
http://arc.nasa.gov/Space_Projects/pioneer/PNhist.html
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Pioneer Electronic Corp , 4-1, Meguro 1-chome
Meguro-ku
Tokyo 153-8654
Japan
(03) 3494-1111
Fax: (03) 3495-4428
Web site: http://www.pioneer.co.jp
Public Company
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Pioneer Hi-Bred International, Inc.
400 Locust Street
700 Capital Square
Des Moines, Iowa 50309
U.S.A.
Telephone: (… Pioneer , pioneer
pi·o·neer / ˌpīəˈnir/ • n. a person who is among the first to explore or settle a new country or area. ∎ a person who is among the first to r… Pioneer Phase , Skip to main content
pioneer phase
pioneer phase
1. Generally, the ‘new plant’ stage of any cyclical pattern of vegetation change. In forestry, it is… Epimetheus , Epimetheus (Saturn XI) One of the lesser satellites of Saturn, discovered in 1979 by Pioneer II, with a radius measuring 69 × 55 × 55 km; mass 0.0055… John Gadsby Chapman , Wilson, John C.
Pseudonym of Felix Morrow, pioneer publisher of occult and metaphysical books under the imprint of University Books, Inc.
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Pioneer program