Friday, 4 September 2020

Completing the Roman Telescope's Primary Mirror


The Nancy Grace Roman Space Telescope’s primary mirror, which will collect and focus light from cosmic objects near and far, has been completed. via NASA https://ift.tt/350wOlI

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Lava Flows Down Mayon

At any given moment, about 20 volcanoes on Earth are actively erupting. Often among them is Mayon—the most active volcano in the Philippine...