The radioactive Van Allen belts posed a serious challenge for space travel. NASA had to figure out a way for astronauts to fly through them without being exposed to deadly doses of radiation.

To learn more about NASA's Van Allen belt calculations, check out these links:
[ Ссылка ]
[ Ссылка ]

Read More:

The 12 Greatest Challenges For Space Exploration
[ Ссылка ]
“It’s a huge, dangerous, maybe impossible project. But that’s never stopped humans from bloody-mindedly trying anyway.”

Studying the Van Allen Belts 60 Years After America’s First Spacecraft
[ Ссылка ]
“Sixty years ago today, the United States launched its first satellite into space. Dubbed Explorer 1, the spacecraft followed just months after the Soviet Union’s Sputnik 1 and 2 spacecraft commenced the Space Age. Data captured by the Geiger counter aboard Explorer 1 heralded the emergence of space physics and ushered in a new era of technology and communications.”

6 Surprising Facts About the First Manned Space Mission
[ Ссылка ]
“Reaching unprecedented speeds for manned travel, the spacecraft broke free of the Earth's gravitational pull and entered orbit around the planet, circling once before re-entering the atmosphere and landing back on Soviet soil.”

свернуть