Science

Astronauts Could Return to the Hubble! Here’s What’s at Stake

2025-04-24

Author: Li

Hubble’s Legacy: A Misunderstood Gem

Launched into Earth’s orbit 35 years ago, the Hubble Space Telescope faced an uncertain future right from the start due to a faulty primary mirror. It became the punchline of jokes, but that was just the beginning of its incredible journey.

A Revolutionary Rescue Mission

In December 1993, astronauts embarked on a daring mission to repair Hubble. They rectified the mirror defect, granting it the clarity needed to become one of the most significant scientific instruments of our time. This triumph opened the door for a further four servicing missions over the years, equipping Hubble with cutting-edge instruments and replacing essential components like gyroscopes.

Facing the Inevitable: Hubble’s Aging

However, even astronomical wonders aren’t immune to aging. Recently, Hubble transitioned to one-gyro mode due to a gyroscope failure, and now it takes longer to switch its focus from one celestial object to another. But the real concern? Hubble is slowly spiraling downwards—a result of atmospheric drag that could lead to its fiery demise within the next decade.

A Private Mission Proposal: Hope on the Horizon?

In a bold move, billionaire Jared Isaacman proposed a private mission to boost Hubble’s orbit using a SpaceX Falcon 9 rocket and Dragon capsule. Intended to be part of the Polaris Program, which he spearheads, the mission would also aim at repairing and upgrading this revered telescope. NASA initially considered the plan but ultimately deemed the risks too high.

The Challenges of a Private Rescue Operation

NASA’s concerns included the lack of a robotic arm on the Dragon capsule for servicing and potential contamination of Hubble’s sensitive optics from thruster exhaust. Amidst these worries, the agency decided to keep the possibility of a future mission open, especially as Hubble’s end-of-life nears.

A Potential Game Changer: Isaacman as NASA Chief?

In a twist of fate, Isaacman may soon lead NASA himself, having been nominated by President Trump. If confirmed, he could push for a fresh assessment of the Hubble mission based on the evolving situation.

The Future of Hubble: What Lies Ahead?

As Isaacman continues to invest in private space ventures—like the Polaris Dawn mission that featured a private spacewalk—the tools and expertise for a Hubble revival could soon be at our fingertips. Will we witness a historic mission to save Hubble from an untimely end? Stay tuned—this cosmic saga is far from over!