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... were captured asteroids. They could have been formed as spherical moons from material left when Mars was being created and later "battered into their irregular shapes." ''(NYT, 12/5/71, 4 ... 1971 November December 1971 December Dec 1 1971 1 Dec 2 1971 2 Dec 3 1971 3 Dec 4 1971 4 Dec 5 1971 5 Dec 6 1971 6 Dec 7 1971 7 Dec 8 1971 8 Dec 9 1971 9 Dec 10 1971 ...

... soon as practical after last Apollo flight. Plans for unmanned planetary exploration included two Mars orbiters in 1971, Jupiter flybys in 1972 and 1973, launch in 1973 for Venus-Mercury flyby ... 1971 January 1971 January Jan 1 1971 1 Jan 2 1971 2 Jan 3 1971 3 Jan 4 1971 4 Jan 5 1971 5 Jan 6 1971 6 Jan 7 1971 7 Jan 8 1971 8 Jan 9 1971 9 Jan 10 1971 ...

... May 29 data was fully understood. Launch was second attempt to send spacecraft to orbit Mars during 1971 opportunity; Mariner 8 (Mariner-H) launch attempt May 8 had failed because of malfunction ... 1971 April May 1971 May May 1 1971 1 May 2 1971 2 May 3 1971 3 May 4 1971 4 May 5 1971 5 May 6 1971 6 May 7 1971 7 May 8 1971 8 May 9 1971 9 May 10 1971 ...

... Martian atmosphere; return meteorological data, pressures, temperatures, wind, and humidity; report on Mars' magnetic and physical properties; and check seismic events. Probes would be ... 1971 November December 1971 December Dec 1 1971 1 Dec 2 1971 2 Dec 3 1971 3 Dec 4 1971 4 Dec 5 1971 5 Dec 6 1971 6 Dec 7 1971 7 Dec 8 1971 8 Dec 9 1971 9 Dec 10 1971 ...

... United States Mariner 9 may by photographic means add valuable pictorial knowledge to that which Mars 3 has reported by signal. And even if neither of these latest raids on the ... 1971 November December 1971 December Dec 1 1971 1 Dec 2 1971 2 Dec 3 1971 3 Dec 4 1971 4 Dec 5 1971 5 Dec 6 1971 6 Dec 7 1971 7 Dec 8 1971 8 Dec 9 1971 9 Dec 10 1971 ...

... in New York Times editorial: Three spacecraft-"one American and two Soviet-now speeding toward Mars represent the best type of international competition. Their rivalry centers about the pursuit of ... 7/71, 867)'' May 1971 May June 1971 June Jun 1 1971 1 Jun 2 1971 2 Jun 3 1971 3 Jun 4 1971 4 Jun 5 1971 5 Jun 6 1971 6 Jun 7 1971 7 Jun 8 1971 8 Jun 9 1971 ...

... . (1MB PDF) Mariner 9 , en route to Mars on orbiting mission, successfully completed first midcourse maneuver with 5.11-sec burn that produced 6.7-m-per-sec (15.1-mph) velocity ... 1971 May June 1971 June Jun 1 1971 1 Jun 2 1971 2 Jun 3 1971 3 Jun 4 1971 4 Jun 5 1971 5 Jun 6 1971 6 Jun 7 1971 7 Jun 8 1971 8 Jun 9 1971 9 Jun 10 1971 10 Jun 11 1971 11 Jun 12 1971 12 Jun 13 1971 13 Jun 14 1971 14 Jun 15 1971 15 Jun 16 1971 16 ...

... on series of flights from Hickham AFB, Hawaii. Purpose of flights was to investigate Mars' invisible infrared light radiations while flying above 99% of earth's occluding atmospheric water ... 1971 July August 1971 August Aug 1 1971 1 Aug 2 1971 2 Aug 3 1971 3 Aug 4 1971 4 Aug 5 1971 5 Aug 6 1971 6 Aug 7 1971 7 Aug 8 1971 8 Aug 9 1971 9 Aug 10 1971 ...

... , 1/17/72, 15)'' U.S.S.R.'s Mars 2 and Mars 3 had discovered presence of oxygen and atomic hydrogen in Mars' upper atmosphere, Tass announced. Hydrogen corona was located at ... 1971 November December 1971 December Dec 1 1971 1 Dec 2 1971 2 Dec 3 1971 3 Dec 4 1971 4 Dec 5 1971 5 Dec 6 1971 6 Dec 7 1971 7 Dec 8 1971 8 Dec 9 1971 9 Dec 10 1971 ...

... , Inc., scientist Dr. Farouk El-Baz had suggested that water vapor detected on moon March 7, 1971, could have come from water and urine dumped into lunar orbit from Apollo 14 spacecraft ... 5 Mar 6 1972 6 Mar 7 1972 7 Mar 8 1972 8 Mar 9 1972 9 Mar 10 1972 10 Mar 11 1972 11 Mar 12 1972 12 Mar 13 1972 13 Mar 14 1972 14 Mar 15 1972 15 Mar 16 1972 16 Mar 17 ...

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