How the Hubble Telescope became the 'Energizer bunny of spacecraft,' according to one of its astronaut visitors

image via Space.com

April 25, 2025, 7:00 PM

• •Former astronaut John Grunsfeld played a key role in the Hubble Space Telescope's longevity through multiple servicing missions.
• •Hubble's ability to have its instruments changed and repaired has allowed it to function for 35 years.
• •Grunsfeld hopes Hubble can continue operating for another decade, despite potential challenges.
• •The telescope has made groundbreaking discoveries and inspired public awe.
• •The James Webb Space Telescope now works alongside Hubble.

John Grunsfeld, a former NASA astronaut, played a crucial role in the Hubble Space Telescope's extended lifespan through multiple servicing missions. These missions repaired and upgraded the telescope, enabling it to continue functioning for 35 years, with hopes of operating for another decade. Hubble's ability to have its instruments changed has contributed significantly to its enduring success. The telescope's groundbreaking discoveries and ability to inspire awe in the public are a bonus.

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