ScienceGlobal issues
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ScienceGlobal issueshttps://p.dw.com/p/5OHfn
What happens when a plane runs out of runway? EMAS can stop an overrunning aircraft using a bed of specially engineered material that crushes under its weight, rapidly slowing it down. But there’s no emergency brake for falling space debris. We join a research mission attempting to film a satellite’s fiery re-entry over the South Pacific from up close. And why don’t powerful new space telescopes eventually come crashing back to Earth? It all comes down to where they operate in space.
