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Boiling water on Mars could make the planet's sand levitate

Boiling water on Mars could make the planet's sand levitate

26 October 2017

In Martian summer, the combination of warm temperatures and a thin atmosphere make any liquid water on the surface boil, which can let dust hover across the ground
We may have just seen the first comet from another solar system

We may have just seen the first comet from another solar system

25 October 2017

An icy comet just hurtled past the sun on a strange path that suggests it came from outside our solar system, making it the first such interloper we've ever spotted

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