Video: Science: Mars helicopter caught in a sand trap … but escapes!

The amazing Mars helicopter, built by Whites, is rocking! This is it’s latest adventure:

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Astronomer’s delight: Earth-sized planet around nearby star is astronomy dream come true – likely to be the focus of future interstellar voyages

Proxima Centauri, the star closest to the Sun, has an Earth-sized planet orbiting it at the right distance for liquid

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