On January 2, 2004, NASA's Stardust spacecraft flew by comet Wild 2 to collect some comet dust and bring it back to Earth. Discover more space history 👉 https://trib.al/rTUJu3D Stardust was the first robotic sample return mission of its kind. It didn't land on the comet, but it flew close enough to collect dust grain samples from the comet's coma. This is the cloudy region around a comet where evaporating ice and other particles are blown away from the comet's surface, forming the comet's chara

41K views · 953 reactions | In a galaxy far, far away...it's very dusty! Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) recently observed a galaxy named A2744_YD4 that contains an enormous mass of stardust. Read all about it: https://goo.gl/IfA4Hp | Space.com | Facebook