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The Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite captured this natural-color image of cloud streets over the Barents Sea and Mezhdusharsky Island on March 7, 2017. Such formations occur frequently in the region in late winter. via NASA http://ift.tt/2mJ59z3

The super star cluster Westerlund 1, only 15,000 light-years away in our Milky Way neighborhood, hosts one of the largest stars ever discovered. via NASA http://ift.tt/2mr5mVH

January 1959. Women Scientists Lucille Coltrane, Jean Clark Keating, Katherine Cullie Speegle, Doris 'Dot' Lee, Ruth Whitman, and Emily Stephens Mueller. via NASA http://ift.tt/2mYY7ri

In the Space Station Processing Facility high bay at NASA's Kennedy Space Center in Florida, the Orbital ATK CYGNUS pressurized cargo module is secured the KAMAG transporter and the crane has been removed. via NASA http://ift.tt/2lTI4H3

UGC 12591's classification straddles somewhere between a lenticular and a spiral galaxy. It lies just under 400 million light-years from us in the Pisces–Perseus Supercluster. via NASA http://ift.tt/2mTX87x

In this March 29, 1929 photograph, Pearl I. Young is working in the Langley Memorial Aeronautical Laboratory's Flight Instrumentation Facility (Building 1202). Young was the first woman hired as a technical employee, a physicist at the National Advisory Committee for Aeronautics and the second female physicist working for the federal government. via NASA http://ift.tt/2lx2zsi

The left side of this 360-degree panorama from NASA's Curiosity Mars rover shows the long rows of ripples on a linear shaped dune in the Bagnold Dune Field on the northwestern flank of Mount Sharp. via NASA http://ift.tt/2mFkfDS

Frequent cloud cover in the southern Atlantic Ocean often obscures satellite images of South Georgia and the South Sandwich Islands. But occasionally the clouds give way. On September 14, 2016, the Operational Land Imager (OLI) on Landsat 8 captured natural-color images of South Georgia Island, where several glaciers are in retreat. via NASA http://ift.tt/2m3yN2e

These images of the sun were captured at the same time on January 29, 2017 by the six channels on the Solar Ultraviolet Imager or SUVI instrument aboard NOAA’s GOES-16 satellite. Data from SUVI will provide an estimation of coronal plasma temperatures and emission measurements which are important to space weather forecasting. via NASA http://ift.tt/2lOkQTJ

A NASA Black Brant IX sounding rocket soars skyward into an aurora over Alaska following a 5:13 a.m. EST, Feb. 22, 2017 launch from the Poker Flat Research Range in Alaska. The rocket carried an Ionospheric Structuring: In Situ and Groundbased Low Altitude StudieS (ISINGLASS) instrumented payload examining the structure of an aurora. via NASA http://ift.tt/2lp4hz6

A SpaceX Falcon 9 rocket lifts off from Launch Complex 39A at NASA's Kennedy Space Center in Florida. This is the company's 10th commercial resupply services mission to the International Space Station. Liftoff was at 9:39 a.m. EST from the historic launch site now operated by SpaceX under a property agreement with NASA. via NASA http://ift.tt/2kNCo03