THE 10 FIRST BODIES TO HAVE BEEN VISITED BY SPACECRAFT

	BODY	SPACECRAFT	COUNTRY	DATE
1	Moon	Luna 1	USSR	2 Jan 1959
2	Venus	Venera 1	USSR	19 May 1961
3	Sun	Pioneer 5	USA	10 Aug 1961
4	Mars	Mariner 4	USA	14 July 1965
5	Jupiter	Pioneer 10	USA	3 Dec 1973
6	Mercury	Mariner 10	USA	29 Mar 1974
7	Saturn	Pioneer 11	USA	1 Sep 1979
8	Comet Giacobini -Zinner	International Sun-Earth Explorer 3	Europe/USA	11 Sep 1985
9	Uranus	Voyager 2	USA	30 Jan 1986
10	Halley's Comet	Vega 1	USSR	6 Mar 1986

THE 10 FIRST MEN TO ORBIT EARTH

NAME	AGE	ORBITS	SPACECRAFT	COUNTRY	DATE
Yuri A. Gagarin	27	1	Vostok I	USSR	12 Apr 1961
Gherman S. Titov	25	17	Vostok II	USSR	6-7 Aug 1961
John H. Glenn	40	3	Friendship 7	USA	20 Feb 1962
Malcom S. Carpenter	37	3	Aurora 7	USA	24 May 1962
Andrian G. Nikolayev	32	64	Vostok III	USSR	11-15 Aug 1962
Pavel R. Popovich	31	48	Vostok IV	USSR	12-15 Aug 1962
Walter M. Schirra	39	6	Sigma 7	USA	3 Oct 1962
Leroy G. Cooper	36	22	Faith 7	USA	15-16 May 1963
Valeri F. Bykovsky	28	81	Vostok V	USSR	17-19 Jun 1963
Konstantin P.Feoktistiv Vladimir M. Komarov Boris B. Yegorov	38 37	16	Voskhod	USSR	12-13 Oct 1964

THE 10 FIRST ARTIFICIAL SATELLITES

SATELLITE	COUNTRY	LAUNCH DATE
Sputnik 1	USSR	04 Oct 1957
Sputnik 2	USSR	03 Nov 1957
Explorer 1	USA	01 Feb 1958
Vanguard	USA	17 Mar 1958
Explorer 3	USA	26 Mar 1958
Sputnik 3	USSR	15 May 1958
Explorer 4	USA	26 July 1958
SCORE	USA	18 Dec 1958
Vanguard 2	USA	17 Feb 1959
Discoverer 1	USA	28 Feb 1959