From March 20-23, 2018, the Solar Dynamics Observatory captured a series of images of our Sun and then ran together three sequences in three different extreme ultraviolet wavelengths. via NASA https://ift.tt/2Hbs8xK

Attendees talk with NASA staff at exhibit booths during Sneak Peek Friday at the USA Science and Engineering Festival, Friday, April 6, 2018. At the festival, NASA showcased the future of human space exploration – including the Orion spacecraft and the Space Launch System rocket. via NASA https://ift.tt/2Hcq20R

These graceful arcs are a cosmic phenomenon known as an Einstein ring – created as the light from distant galaxies warps around an extremely large mass, like a galaxy cluster. via NASA https://ift.tt/2JrIFMa

Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years. via NASA https://ift.tt/2GDsf1J

We honor the legacy of Dr. Martin Luther King Jr., who delivered the famous “I’ve been to the mountaintop” speech in Memphis, Tennessee fifty years ago, the day before he was assassinated on April 4, 1968. This image taken from the International Space Station shows a detailed view of the city of Memphis from low-Earth orbit. via NASA https://ift.tt/2q7bgyo

Aeronautical innovations are part of a government-industry partnership to collect data that could make supersonic flight over land possible, dramatically reducing travel time in the United States. via NASA https://ift.tt/2q3irqu

NASA astronaut Drew Feustel seemingly hangs off the International Space Station while conducting a spacewalk on March 29, 2018. via NASA https://ift.tt/2J8uJXz

Before there were computers and software that could stitch together digital images, they were printed on photo paper, trimmed by hand, and taped in place on a large black board. via NASA https://ift.tt/2Gqyvtz

Inside the Astrotech processing facility at Vandenberg Air Force Base, NASA’s Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, or InSight, Mars lander is tested ahead of its scheduled launch on May 5, 2018. via NASA https://ift.tt/2urTvyE

TESS, the Transiting Exoplanet Survey Satellite, is the next step in the search for planets outside of our solar system, including those that could support life. via NASA https://ift.tt/2J1kCU9