Wikipedia:WikiProject Space 2019/DYK/July 21/2

''NOTE: Because a preponderance of hooks on the suggestions page are biographies or are U.S. related, it is usually appropriate to have several hooks on biographies or U.S. topics in any given update, but never more than half of either. Further information is available at WP:DYKSG. Thanks.''

Tips on assembling sets are at Did you know/Preparation areas.

Hooks

 * ... that Michael Collins (pictured) was the first person to perform two spacewalks?
 * ... that the 1957 launch of Sputnik 1, the first artificial satellite, led to a period of public anxiety in United States and accelerated the Space Race?
 * ... that Félicette, the first cat in space, had electrodes surgically implanted in her brain to assess her neurological activity?
 * ... that pilot-cosmonaut Yuri Gagarin, the first human in space and the first to orbit the Earth, ejected from his descending spacecraft at about 23,000 ft?
 * ... that Mae Jemison (pictured), the first black woman in space, worked at a Cambodian refugee camp in Thailand while in medical school and was a medical officer for the Peace Corps before becoming an astronaut?
 * ... that Valentina Tereshkova (pictured), the first woman in space, is also the youngest woman to ever go to space and the only woman to ever do it solo?
 * ... that Soviet cosmonaut Valentina Tereshkova (pictured), the first woman in space, spent almost 3 days in orbit, surpassing the combined flight time of all Americans that flew before her?
 * ... that first woman in space, Soviet cosmonaut Valentina Tereshkova (pictured) and Valery Bykovsky, in a longer concurrent spaceflight, each surpassed the combined flight time of all Americans before them?
 * ... that two Russian tortoises were among the first Earthlings that flew around the Moon and returned safely to Earth on Zond 5?
 * Alternate:
 * ... that Luna 2, on its way to becoming the first human-made object to make contact with the Moon, also made the first direct measurement of solar wind flux from outside Earth's magnetosphere?
 * ... that Luna 2, on its way to becoming the first human-made object to make contact with the Moon, also made the first direct measurement of solar wind flux from outside Earth's magnetosphere?


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Credits
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