Oceans cover three-quarters of the Earth, yet only 20% of the seafloor has yet been mapped. The race to understand these depths could further scientific understanding, but also lead to exploitation.
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Soar through 44 million stars in Gaia telescope's latest 3D map of our galaxy — Space photo of the week
Scientists have used the Gaia Space Telescope to create a 3D map of star kindergartens within the Milky Way, and you can fly through it.
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