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APOD: 2015 May 7 – At the Limit of Diffraction
APOD: 2015 May 7 – At the Limit of Diffraction

APOD Science APOD APOD: 2015 May 7 – At the… Today’s APOD Archive Submissions Index Search Calendar RSS Education About…

IRIS Celebrates 10,000th Orbit
IRIS Celebrates 10,000th Orbit

In this photo, NASA's Interface Region Imaging Spectrograph (IRIS) spacecraft captured several large solar prominences on the edge of the…

Cinco de Mayo X Flare
Cinco de Mayo X Flare

NASA's Solar Dynamics Observatory captured these images of an X2.7-class solar flare on May 5, 2015.

Mission X: Train Like an Astronaut Event
Mission X: Train Like an Astronaut Event

A student peeks out from under a demonstration EVA suit at a MX:TLA event

HRP Train Like an Astronaut Program
HRP Train Like an Astronaut Program

An astronaut and a boy do push-ups side-by-side

NASA Technology Day on the Hill 2015
NASA Technology Day on the Hill 2015

NASA Technology Day on the Hill, Wednesday, April 29, 2015, in the Rayburn House Office Building in Washington.

NASA Technology Day on the Hill 2015
NASA Technology Day on the Hill 2015

NASA Technology Day on the Hill, Wednesday, April 29, 2015, in the Rayburn House Office Building in Washington.

NASA Technology Day on the Hill 2015
NASA Technology Day on the Hill 2015

NASA Technology Day on the Hill, Wednesday, April 29, 2015, in the Rayburn House Office Building in Washington.

NASA Technology Day on the Hill 2015
NASA Technology Day on the Hill 2015

NASA Technology Day on the Hill, Wednesday, April 29, 2015, in the Rayburn House Office Building in Washington.

NASA Technology Day on the Hill 2015
NASA Technology Day on the Hill 2015

NASA Technology Day on the Hill, Wednesday, April 29, 2015, in the Rayburn House Office Building in Washington.