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Articles on Space exploration

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The idea that there’s a moral imperative for humans to expand beyond Earth is echoed by influential proponents of space exploration. Tamara Craiu/Flickr

To boldly go toward new frontiers, we first need to learn from our colonial past

Technology had enabled humans to explore the deep sea, the Earth’s poles, and outer space. But we shouldn’t forget historical lessons about frontiers in the process of traversing them.
Artist’s impression of Rosetta’s descent. ESA

Swansong for Rosetta as it lands on the duck-shaped comet

It has been an epic journey, much more than 12 years in the making, but Rosetta is just about to go out in a blaze of glory. The final commands were uploaded to the spacecraft mid-morning on September…
DSAC is prepping for a yearlong experiment to characterize and test its suitability for use in future deep space exploration. Jet Propulsion Laboratory

Why the Deep Space Atomic Clock is key for future space exploration

Measuring time is a crucial part of navigation – particularly in space, where exacting precision is called for. The DSAC is poised to make a change that will aid future deep space missions.
Robotic construction of Lunar and Martian infrastructure using 3D printing. Contour Crafting

Want to build a moon base? Easy. Just print it

Why carry building materials from Earth into space, when we can build structures by 3D printing using materials found out there?
Alpha Centauri is actually the outer star (bottom right) of The Pointers, which point to the Southern Cross. Y. Beletsky (LCO)/ESO

Is Alpha Centauri the right place to search for life elsewhere?

A US$100-million plan has been announced to send tiny probes out in space in search of life elsewhere in the universe. But are they looking in the right place?

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