<ul><li>NASA engineers revived Voyager 1's backup thrusters after 20 years of inactivity.</li><li>Revival crucial for extending the life of Voyager 1, launched in 1977 and currently journeying through interstellar space.</li><li>Primary thrusters showed signs of clogging, prompting the team to bring dormant backup thrusters online before a critical Earth-based antenna upgrade.</li><li>Success in making backup thrusters operational showcases NASA's engineering prowess and determination, enabling Voyager 1 to continue its mission 15 billion miles from Earth.</li></ul>

Voyager 1’s backup thrusters revived after 20 Years

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