She remained in space for nearly three days and orbited the Earth 48 times .
1963 - The USSR launches Vostok 6 , Valentina Tereshkova was the first woman ( and first civilian ) to orbit Earth .
Valentina Tereshkova remained in space for nearly three days and orbited the Earth 48 times .
1963 - The USSR launches Vostok 6 , Valentina Tereshkova was the first woman ( and first civilian ) to orbit Earth .