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| | Time Line of Space Exploration |
 | | January 2, 1959 - Luna 1, first man-made satellite to orbit the sun, is launched by the U.S.S.R. March 3, 1959 - Pioneer 4, fourth U.S.-IGY space probe was launched by a Juno II rocket, and achieved an earth-moon trajectory, passing within 37,000 miles of the moon. |
 | | September 12, 1959 - Luna 2 is launched, impacting on the moon on September 13 carrying a copy of the Soviet coat of arms, and becoming the first man-made object to hit the moon. |
 | | October 4, 1959 - Luna 3 translunar satellite is launched, orbiting the moon and photographing 70 percent of the far side of the moon. |
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