Ever Wonder About What Lies Between The Stars? Learn All About The Interstellar Medium In This Short

A photo of Saturn. Took by Cassini with COISS on May 22, 2008 at 13:31:01. Detail page on OPUS database.

M22 globular cluster

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Apollo 7 roars upward to space from Cape Canaveral, October 11, 1968.

The Milky Way in a beautiful photo by Luca Cruciani

Hot & Steamy RS-25 Engine Test

Today, we tested the RS-25 engine at Stennis Space Center in Mississippi, and boy was it hot! Besides the fact that it was a hot day, the 6,000 degree operating temperature of the hot fire test didn’t help things. This engine is one of four that will power the core stage of our Space Launch System (SLS) into deep space and to Mars. Today’s test reached 109% power and burned 150,000 gallons of liquid oxygen and 60,000 gallons of liquid hydrogen. When SLS launches with all 4 of its engines, it will be the most powerful rocket in the world!

This engine was previously used to to fly dozens of successful missions on the space shuttle, so you might be asking, “Why are we spending time testing it again if we already know it’s awesome?” Well, it’s actually really important that we test them specifically for use with SLS for a number of reasons, including the fact that we will be operating at 109% power, vs. the 104% power previously used.

If you missed the 535-second, ground rumbling test today – you’re in luck. We’ve compiled all the cool stuff (fire, steam & loud noises) into a recap video. Check it out here:

Engineers are preparing to test the parachute system for NASA’s Orion spacecraft at the U.S. Army Yuma Proving Ground in Yuma, Arizona. During the test, planned for Wednesday, Aug. 26, a C-17 aircraft will carry a representative Orion capsule to 35,000 feet in altitude and then drop it from its cargo bay. Engineers will test a scenario in which one of Orion’s two drogue parachutes, used to stabilize it in the air, does not deploy, and one of its three main parachutes, used to slow the capsule during the final stage of descent, also does not deploy. The risky test will provide data engineers will use as they gear up to qualify Orion’s parachutes for missions with astronauts. On Aug. 24, a C-17 was loaded with the test version of Orion, which has a similar mass and interfaces with the parachutes as the Orion being developed for deep space missions but is shorter on top to fit inside the aircraft.

Celestial Cypress by Paul Marcellini

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★★★★★

#moonphoto #fullmoon #beautiful #moon #moonshot #nature #skyphotography #instagram #igersoftheday #igers #nightskyphotography #photo #nightphotography #moon_awards #moonlight #photography #skiesphotography #astronomy #moon_awards_bnw #wilderness #photographie #hometown #sky #naturephotography #space #photograph #night #skyporn #moonphotography #scotlandpotography (em Lisbon, Portugal)

Sorry guys. I am a little busy these days. But stay tuned I will be back with a lots of amazing photos of cosmos. :)