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It was the world's first artificial satellite. This event marked the beginning of the Space Age and the start of the space race between the U.S. and the Soviet Union. -
First animal sent into space to orbit Earth for USSR was a dog named Laika launched in Sputnik 2 spacecraft. Laika's story sparked debate about animal rights and the ethics of space exploration -
The United States' first satellite in space was Explorer 1. It was a response to the Soviet Union's earlier launch of Sputnik 1 and marked the beginning of the U.S. space age. Explorer 1 was a project of the U.S. Army and helped discover the Van Allen radiation belts. -
President Dwight D. Eisenhower signed the National Aeronautics and Space Act. However, it began operations and opened for business on October 1, 1958, taking over the functions of the National Advisory Committee for Aeronautics (NACA). -
Ham the chimpanzee during the 16-minute Mercury-Redstone mission, he successfully performed learned lever-pulling tasks, helping to demonstrate that a living creature could function during spaceflight and paving the way for America's first human in space, Alan Shepard. -
A USSR (Soviet Union) was cosmonaut Yuri Gagarin, on April 12, 1961, he completed a single orbit of the Earth aboard the Vostok 1 spacecraft, a flight that lasted 108 minutes and made him an international hero. -
Alan Shepard was the first American in space, completing a 15-minute suborbital flight on May 5, 1961, aboard the Freedom 7 capsule. -
Committed to the U.S. to land a man on the moon within the decade in a May 25, 1961, speech to Congress and reaffirmed this goal in his September 12, 1962, speech at Rice University. -
John Glenn, who accomplished this on February 20, 1962, aboard the Friendship 7 capsule as part of the Mercury-Atlas 6 mission. -
Cosmonaut Alexei Leonov on March 18, 1965, during the Voskhod 2 mission, he spent 12 minutes and 9 seconds outside the spacecraft. -
Piloted by astronauts Virgil “Gus” Grissom and John Young, their objective was to demonstrate the crewed qualifications of the Gemini spacecraft and evaluation of flight crew equipment and effects of low-level launch vehicle oscillations (POGO) on the crew, performance of three experiments, and to obtain photographic coverage from orbit. -
Astronaut Ed White on June 3, 1965, during the Gemini 4 mission, he was attached to the Gemini spacecraft by a tether and spent 23 minutes outside the capsule, during which he used a hand-held maneuvering unit to move around. -
Ed White and spaceflight controlled by the Johnson Space Center, while the primary goal of a space rendezvous was not achieved, the mission was a success overall, demonstrating that the human body could withstand the rigors of long-duration spaceflight and laying crucial groundwork for future lunar missions. -
The death of the prime crew, astronauts Elliot See and Charles Bassett, in a February 28, 1966, T-38 aircraft crash during a landing in St. Louis. This led to the backup crew, Thomas Stafford and Eugene Cernan, being moved up to prime crew for the mission. -
Neil Armstrong and David Scott had to perform the first successful docking of two spacecraft in orbit and test the combined spacecraft's ability to maneuver. -
The fast-paced nature of the Space Race, technical and design flaws in the command module, and a lack of safety precautions. These issues culminated in a devastating fire during a pre-flight test on January 27, 1967, that killed astronauts Gus Grissom, Ed White, and Roger Chaffee, as a spark ignited the pure oxygen-filled cabin. -
The Apollo 7 astronauts were Walter M. Schirra Jr., Donn F. Eisele, and R. Walter Cunningham. The mission is known for several "firsts," including the first crewed flight of the Apollo program, the first time a three-person American crew launched, and the first live television broadcast from an American spacecraft. -
The Apollo 8 astronauts were Frank Borman, James Lovell, and William Anders. The mission was known for being the first crewed mission to leave Earth's orbit and travel to the Moon, the first to orbit the Moon, and the first to witness and photograph an "Earthrise". -
The Apollo 9 astronauts were James McDivitt, David Scott, and Rusty Schweickart, was known for its "firsts" in Earth orbit, including the first manned flight of the Lunar Module, the first time a Lunar Module was flown independently, and the first time astronauts rendezvoused and docked the Lunar Module with the Command Module. -
The Apollo 10 astronauts were Thomas Stafford, John Young, and Eugene Cernan, and the mission, launched on May 18, 1969, is known for being a full "dress rehearsal" for the lunar landing and the first manned mission to carry a color television camera. -
The Apollo 11 astronauts were Neil Armstrong, Buzz Aldrin, and Michael Collins. The mission's primary "first" was achieving the first human landing on the Moon.