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Instigation of Commercial Capsules; NASA Introduced Astronauts

US Space agency NASA introduced nine astronauts to run commercial flights

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Astronauts, from left, Victor Glover, Michael Hopkins, Robert Behnken, Douglas Hurley, Nicole Mann, Christopher Ferguson, Eric Boe, Josh Cassada and Sunita Williams give a thumbs up to the crowd after NASA announced them as astronauts assigned to crew the first flight tests and missions of the Boeing CST-100 Starliner and SpaceX Crew Dragon. VOA
Astronauts, from left, Victor Glover, Michael Hopkins, Robert Behnken, Douglas Hurley, Nicole Mann, Christopher Ferguson, Eric Boe, Josh Cassada and Sunita Williams give a thumbs up to the crowd after NASA announced them as astronauts assigned to crew the first flight tests and missions of the Boeing CST-100 Starliner and SpaceX Crew Dragon. VOA
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The U.S. space agency NASA on Friday introduced the nine astronauts who will ride the first commercial space capsules into orbit next year.

The move marks a significant shift in the U.S. space program, which will now combine NASA-trained astronauts with private sector space capsules. The capsules, made by SpaceX and Boeing, will ferry the astronauts and cargo back and forth to the International Space Station.

Since NASA’s space shuttle program was shut down in 2011, it has had to rely on Russia to fly astronauts to the space station.

Commercial flights to be run by 9 astronauts. Pixabay
Commercial flights to be run by 9 astronauts. Pixabay

“For the first time since 2011, we are on the brink of launching American astronauts on American rockets from American soil,” NASA Administrator Jim Bridenstine said during a ceremony at the Johnson Space Center in Houston.

The nine astronauts — seven men and two women — waved and pumped their fists into the air as they appeared on stage to cheers from the crowd. All but three of the astronauts are space flight veterans.

In 2014, SpaceX and Boeing received contracts for $2.6 billion and $4.2 billion, respectively, to develop space capsules that can ferry astronauts to and from the space station.

Also Read: Sunita Williams Among Nine Astronauts Named by NASA For New Human Space Programme

The two companies are planning for a test flight of their capsules by the end of this year or early next year, with the first crews hoping to fly from Cape Canaveral, Florida, by next spring or summer.

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NASA’s Probe Discovers Signs Of Water on Asteroid Bennu

OSIRIS-REx will pass later this month just 1.2 miles (1.9 km) from Bennu, entering the asteroid's gravitational pull and analyzing its terrain.

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Asteroid
This Nov. 16, 2018, image provide by NASA shows the asteroid Bennu. NASA

NASA’s OSIRIS-REx spacecraft has discovered ingredients for water on a relatively nearby skyscraper-sized asteroid, a rocky acorn-shaped object that may hold clues to the origins of life on Earth, scientists said on Monday.

OSIRIS-REx, which flew last week within a scant 12 miles (19 km) of the asteroid Bennu some 1.4 million miles (2.25 million km) from Earth, found traces of hydrogen and oxygen molecules — part of the recipe for water and thus the potential for life — embedded in the asteroid’s rocky surface.

The probe, on a mission to return samples from the asteroid to Earth for study, was launched in 2016. Bennu, roughly a third of a mile wide (500 meters), orbits the sun at roughly the same distance as Earth. There is concern among scientists about the possibility of Bennu impacting Earth late in the 22nd century.

 

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NASA’s OSIRIS-REx. Flickr

 

“We have found the water-rich minerals from the early solar system, which is exactly the kind of sample we were going out there to find and ultimately bring back to Earth,” University of Arizona planetary scientist Dante Lauretta, the OSIRIS-REx mission’s principal investigator, said in a telephone interview.

Asteroids are among the leftover debris from the solar system’s formation some 4.5 billion years ago. Scientists believe asteroids and comets crashing into early Earth may have delivered organic compounds and water that seeded the planet for life, and atomic-level analysis of samples from Bennu could provide key evidence to support that hypothesis.

“When samples of this material are returned by the mission to Earth in 2023, scientists will receive a treasure trove of new information about the history and evolution of our solar system,” Amy Simon, a scientist at NASA’s Goddard Space Flight Center in Maryland, said in a statement.

OSIRIS-REx, NASA, Asteroid
This illustration provided by NASA depicts the OSIRIS-REx spacecraft at the asteroid Bennu. The rocky remnant from the dawn of the solar system may hold clues to the origins of life. VOA

“We’re really trying to understand the role that these carbon-rich asteroids played in delivering water to the early Earth and making it habitable,” Lauretta added.

OSIRIS-REx will pass later this month just 1.2 miles (1.9 km) from Bennu, entering the asteroid’s gravitational pull and analyzing its terrain. From there, the spacecraft will begin to gradually tighten its orbit around the asteroid, spiraling to within just 6 feet (2 meters) of its surface so its robot arm can snatch a sample of Bennu by July 2020.

Also Read: Wintertime Ice Growth in Arctic Sea Slows Long-Term Decline: NASA

The spacecraft will later fly back to Earth, jettisoning a capsule bearing the asteroid specimen for a parachute descent in the Utah desert in September 2023. (VOA)