Tuesday, 10 October 2017

Where Does the Sand Come From?


This image from NASA's Mars Reconnaisance Orbiter (MRO) shows one possible place where sand grains are being produced on Mars today. via NASA http://ift.tt/2yUEv9G

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Hubble Sees Swarm of Galaxies

This NASA Hubble Space Telescope image features the galaxy cluster MACS0329-0211. via NASA https://ift.tt/Ic3DOZy