NASAのインスタグラム(nasa) - 12月5日 21時48分

The United Launch Alliance Delta IV Heavy with Orion atop it lifted off at 7:05 a.m. EST from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida.

The second stage of the Delta IV Heavy has completed its first engine burn, delivering Orion to its initial orbit. Approximately two hours into the flight test, the second stage of the Delta IV Heavy will undergo a second engine burn to send Orion on its way to its peak altitude of 3,600 miles.

The uncrewed flight is testing many of the riskiest events Orion will see when it carries astronauts and provide critical data to improve the spacecraft’s design and reduce risks to its future crews. During today's text, Orion will orbit Earth twice, reaching a peak altitude of 3,600 miles during its trip. The spacecraft is scheduled to splashdown in the Pacific Ocean in approximately 4.5 hours. Orion’s flight test is a critical step on NASA's Journey to Mars.

Watch live coverage now: http://www.nasa.gov/nasatv

Image credit: NASA/Bill Ingalls
#Orion #Space #NASA #OrionLaunch #JourneyToMars

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