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The HALO Trust has been working in Cambodia since the 1990s, helping to scour hundreds of square miles of contaminated land. The work is tedious, and progress is slow. It requires teams of technicians ...
In photos The details in this photograph include the airglow of the atmosphere dividing Earth from space — yellow-green at an ...
On a series of 70-year-old photographic plates containing images of the night sky ... thousands of satellites and millions of pieces of space debris in orbit around Earth, many of which appear ...
But a few incredible images can help put it all ... Here are 10,000 galaxies picked up by the Hubble Space Telescope, some of which are billions of years old. Seven hundred light years is ...