Nasa launches mission to save falling space telescope
Summary
NASA has launched a new spacecraft named LINK to catch and rescue the Swift space telescope, which is falling toward Earth due to atmospheric drag caused by increased solar activity. LINK will use robotic arms to capture Swift and lift it back to a safer orbit, marking the first time such a mission has been attempted.Key Facts
- The Swift observatory studies powerful cosmic explosions and was launched in 2004.
- Swift’s orbit has dropped from 373 miles (600 km) to around 220 miles (360 km) because Earth's atmosphere has expanded and slowed it down.
- If Swift falls below 186 miles (300 km), a rescue will not be possible.
- NASA funded a commercial company, Katalyst Space Technologies, to build and launch the rescue spacecraft LINK.
- LINK has three robotic arms, cameras, and guidance systems to capture Swift.
- LINK launched aboard a Pegasus XL rocket and is currently checking its systems before approaching Swift.
- The mission is considered high-risk but important for preserving Swift’s unique scientific capabilities.
- The rescue attempt has about three to four weeks before LINK approaches and tries to capture Swift.
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