This is Our Planet From a Million Miles Away

Earth imaged on July 6, 2015 by NOAA's DSCOVR satellite from L1. Credit: NOAA/NASA/GSFC

Earth imaged on July 6, 2015 by NOAA’s DSCOVR satellite from L1. Credit: NOAA/NASA/GSFC

This picture of our home planet truly is EPIC – literally! It was acquired with NASA’s Earth Polychromatic Imaging Camera (aka EPIC; see what they did there) on board NOAA’s DSCOVR spacecraft, positioned nearly a million miles (1.5 million km) away at L1.

L1 is one of five Lagrange points that exist in space where the gravitational pull between Earth and the Sun are sort of canceled out, allowing spacecraft to be “parked” there. (Learn more about Lagrange points here.) Launched aboard a SpaceX Falcon 9 on Feb. 11, 2015, the Deep Space Climate Observatory (DSCOVR) arrived at L1 on June 8 and, after a series of instrument checks, captured the image of Earth’s western hemisphere above on July 6.

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Read the rest of This is Our Planet From a Million Miles Away (188 words)


© Jason Major for Universe Today, 2015. |
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