a standard established in the 1951 case Dennis v. U.S. whereby the government could suppress speech to avoid grave danger, even if the probability of the dangerous result was relatively remote; replaced by the imminent Lawless action (incitement) test in 1969.
Laika became the first living being to orbit the Earth on Sputnik 2, Nov. 3, 1957. She died several hours into the flight from stress and heat. On May 28, 1959, rhesus monkey Able and squirrel monkey Baker became the first to successfully return to Earth after space flight.
Before humans went into space, several animals were launched into space, including numerous non-human primates, so that scientists could investigate the biological effects of space travel. The United States launched flights containing primate cargo primarily between 1948-1961 with one flight in 1969 and one in 1985.lbert was followed by Albert II who survived the V2 flight but died on impact on June 14, 1949, after a parachute failure. Albert II became the first monkey in space as his flight reached 134 km (83 mi) - past the Karman kÃ¡rmÃ¡n line of 100 km taken to designate the beginning of. space