During the Age of Sail, ships circled the globe on voyages of discovery and trade. That era ended in the 1800s, when coal-fired steam engines began to replace wind power. Now we may be entering a new ...
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How scientists found the best way to travel the universe
Rockets are incredibly powerful. You can launch yourself into orbit, fly to the Moon and, soon enough, travel to Mars. But to ...
An experimental NASA solar sail can be seen in the night sky as it orbits the Earth. NASA's Advanced Composite Solar Sail System (ACS3) launched in April 2024 atop a Rocket Lab Electron rocket. The ...
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A startup plans to sail through space using sunlight
How solar sailing actually works At its core, solar sailing is a deceptively simple idea: instead of firing a rocket, a spacecraft spreads a thin, mirror-like sheet that catches sunlight and turns its ...
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