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Barge Pegasus Makes First Trip to Marshall
Barge Pegasus Makes First Trip to Marshall

The engine section structural test article for NASA's Space Launch System rocket arrived at NASA’s Marshall Space Flight Center on…

Landslide!
Landslide!

This image NASA's Mars Reconnaissance Orbiter (MRO) finally completes a stereo pair with another observation acquired in 2007.

Short Shadow
Short Shadow

The projection of Saturn's shadow on the rings grows shorter as Saturn’s season advances toward northern summer.

APOD: 2017 May 15 – Lightning Storm Moves Across the USA
APOD: 2017 May 15 – Lightning Storm Moves Across the USA

APOD Science APOD APOD: 2017 May 15 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss  …

APOD: 2017 May 14 – Ganymede: The Largest Moon
APOD: 2017 May 14 – Ganymede: The Largest Moon

APOD Science APOD APOD: 2017 May 14 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss  …

APOD: 2017 May 13 – Planet Aurora
APOD: 2017 May 13 – Planet Aurora

APOD Science APOD APOD: 2017 May 13… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD…

Intertank for First SLS Flight Nears Final Completion
Intertank for First SLS Flight Nears Final Completion

The intertank to be flown on the first integrated flight of the Space Launch System and Orion is nearly finished…

Making a SLS Fuel Tank by Welding Together Domes and Barrels
Making a SLS Fuel Tank by Welding Together Domes and Barrels

Liquid oxygen tank being manufactured for weld confidence testing shows how domes are added to make tanks in the Vertical…

Moving the SLS Liquid Hydrogen Tank Structural Test Article
Moving the SLS Liquid Hydrogen Tank Structural Test Article

Manufacturing is complete on the liquid hydrogen tank structural qualification test article, shown here.

Rocket Blasts Off During 2017 Student Launch Challenge
Rocket Blasts Off During 2017 Student Launch Challenge

Nearly 50 student teams from middle and high schools, colleges and universities in 22 states demonstrated advanced rocketry and engineering…