Habitable water world exoplanets

There are currently about fifty known exoplanets whose diameters range from Mars-sized to several times the Earth's and which also reside within their stars' habitable zone – the orbital distance within which their surface ...

Virtual contact lenses for radar satellites

Radar satellites supply the data used to map sea level and ocean currents. However, up until now, the radar has been ineffective in regions where the oceans are covered by ice. Researchers at the Technical University of Munich ...

There could be snow on Mars – here's how that's possible

Given that there are ambitious plans to colonise Mars in the near future, it is surprising how much we still have to learn about what it would be like to actually live on the planet. Take the weather, for instance. We know ...

Image: Frost build-up near Mars north pole

This animated gif shows the build up of frosts in a 73 x 41 km section of the north polar ice cap of Mars between November and December 2004.

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