Answer:
please answer it for me1949 The USSR tests its first nuclear weapon
1952 The United States detonates the first hydrogen bomb
1957 Sputnik is launched by the Soviets
1957 The Soviets put first dog into space
1957 TV-3 Vanguard rocket fails
1958 US launches its first satellite into orbit: Explorer 1
1958 NASA is signed into existence
—Epic Fails: The Race to Space: Countdown to
Liftoff,
Erik Slader and Ben Thompson
How does this time line support the ideas in the main text?
It illustrates where space programs took place.
It provides the names and accomplishments of space scientists.
It shows the dates and key events of space travel.
It describes how people got involved in the space program.