Scientists solve mystery behind one of Earth's earliest star sand dunes – Firstpost

For the first time, scientists have now determined the age of a single star dune in Morocco known as Lala Lallia. The age of the star dune was determined by the scientists using a method known as luminescence dating. The technique determines the last time the sand grains were exposed to light

Sustainable Climate 911

Earth World News, Latest and Breaking News, Top International News Today - Firstpost

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NASA's Curiosity rover finds surprise clues to Mars's watery past

Why don't we hear about asteroids impacting the moon given all the craters it has to happen from time to time? - Quora

A raging river and frost-tipped dunes reveal watery history on Mars

Modelagem Uma (in)certa antropologia

The moon is covered with craters, so are those catastrophic sized meteor impacts ongoing events or ancient relics, and with current technology can we visually capture them in real time? - Quora

NASA asteroid sample parachutes safely onto Utah desert