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Solar activity accelerates the decline in orbit

Launched in 2004, the Neil Gehrels Swift Observatory operates in low Earth orbit, where our planet’s atmosphere creates drag that gradually lowers the altitude of spacecraft lacking propulsion systems to maintain their position, according to NASA. Recent solar activity has amplified this effect, causing Swift’s orbit to decline faster than expected.

According to Al Jazeera, citing Agence France-Presse, Swift is now sinking faster than ever due to recent solar storms, which prompted NASA’s decision to launch a rescue mission before the telescope burns up in the atmosphere.

A Valuable Tool for Studying Gamma-Ray Bursts

The Swift telescope, valued at approximately $250 million, has been used for more than two decades to study gamma-ray bursts, described as the most powerful explosions in the known universe. Its loss would be a major blow to Western astrophysics, which has built decades of research on the most violent cosmic phenomena based on its data.

It is this cumulative scientific value—more than the mere cost of manufacturing the instrument—that, in NASA’s view, justifies the investment in a rescue mission as complex and risky as the one on July 3.


Twenty-two years of service for a telescope that continues to provide unique scientific data—that’s worth fighting to save rather than letting it burn up pointlessly in the atmosphere. I find it refreshing that NASA is choosing technical boldness over budgetary resignation.

This content was created with the help of AI.

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