On Mars, The Frost Is Made Of CO2

On Mars, The Frost Is Made Of CO2

Briefly: This is Mars’ Hellas Chaos, an area covered in wind-blown dunes and flat-topped mesas. The dusting of white is in fact carbon dioxide frost — so, pretty chilly then! [ESA]


The Cheapest NBN 50 Plans

It’s the most popular NBN speed in Australia for a reason. Here are the cheapest plans available.

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