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Atlas V first stage for GOES-R
Atlas V first stage for GOES-R

Atlas V first stage for GOES-R

Fluid Fantasy
Fluid Fantasy

Saturn's clouds are full of raw beauty, but they also represent a playground for a branch of physics called fluid…

Atlas V First Stage Arrives at Pad 41 for GOES-R
Atlas V First Stage Arrives at Pad 41 for GOES-R

Atlas V First Stage Arrives at Pad 41 for GOES-R

A RL10 Engine Undergoes Testing
A RL10 Engine Undergoes Testing

A RL10 engine undergoes testing at NASA’s test facility in West Palm Beach, Florida.

Illustration of Expanded View of the Block IB Configuration
Illustration of Expanded View of the Block IB Configuration

An expanded view of the Block IB configuration of NASA's Space Launch System rocket, including the four RL10 engines.

Changing Colors in Saturn’s North
Changing Colors in Saturn’s North

These two natural color images from NASA's Cassini spacecraft show the changing appearance of Saturn's north polar region between 2012…

Signs of Schiaparelli Test Lander Seen From Orbit
Signs of Schiaparelli Test Lander Seen From Orbit

This comparison of before-and-after images shows two spots that likely appeared in connection with the Oct. 19, 2016, Mars arrival…

Launch Abort Engine Testing by Aerojet Rocketdyne
Launch Abort Engine Testing by Aerojet Rocketdyne

A launch abort engine built by Aerojet Rocketdyne is hot-fired during tests in the Mojave Desert in California.

Launch Abort Engine Test
Launch Abort Engine Test

A launch abort engine built by Aerojet Rocketdyne is hot-fired during tests in the Mojave Desert in California.

Martian ‘Spiders’ in Sharper Look, Thanks to Volunteers
Martian ‘Spiders’ in Sharper Look, Thanks to Volunteers

This image shows spidery channels eroded into Martian ground.