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Space Exploration is not something Chicago Student Mawuto Akploh says she finds in her Textbooks or Classroom discussion in her School

Moses views the opportunity for widely available space flight as a unifying endeavor for humanity, but knows well that the final frontier of space is a difficult environment to master.

Virgin Galactic- founded by British entrepreneur Richard Branson, seeking to be the first company consistently taking paying passengers into orbit. Source-Wikimedia commons

Chicago, May 20, 2017: Space exploration is not something Chicago student Mawuto Akploh says she finds in her textbooks or classroom discussion in her school.

“We do physics, biology, earth, and space sciences,” she told VOA. “But we never actually take the time to talk about the people who actually do those things.”

Akploh is originally from Togo and immigrated with her parents to the United States when she was a young child. She now attends a Chicago area high school career academy, and just became certified as an automobile mechanic.

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Akploh says aerospace engineering wasn’t an option at her school.

“It’s not that people don’t want to do it… it’s that people don’t know about it.”

That lack of knowledge has, in part, fueled a shortage of students in the U.S. seeking advanced degrees in science, technology, engineering and math – also known as STEM. Fields the aerospace industry depends on.

“There is a shortage across engineering which I think is generally bad for humanity.” Which is one reason Beth Moses hopes her career serves as an inspiration to others to answer that shortage.

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After successfully serving at NASA as the assembly manager for the International Space Station, Moses is now the chief astronaut trainer at Virgin Galactic, founded by British entrepreneur Richard Branson, seeking to be the first company consistently taking paying passengers into orbit.

“We are doing something, and I am doing something that has never been done before,” she explained to VOA. “There’s no road map, there’s no instruction manual, no guidance on how to do this.”

Which is why, as Moses writes one of the new instruction manuals in the emerging field of commercial human spaceflight, the need for more engineers is critical to help her company – and others – meet the demands of a growing industry that Moses says doesn’t “come in pink or blue.”

“In my entire time, in school and in aerospace engineering both at NASA and here at Virgin Galactic, I’ve never once had any hassle or gender issue, and there have been plenty of women around and also plenty of diversity of all kinds… age, race, points of view.”

It was a message Moses reinforced to those gathered at the Drake Hotel in Chicago, where she was awarded the 2017 “Women in Space Science Award” from the Adler Planetarium’s Women’s Board.

It also was a part of her pitch to hundreds of Chicago area high school students, including Mawuto Akploh, who gathered to see her speak at the place that sparked Moses’ own interest in space… the Adler Planetarium.

In front of a large view screen in the Adler’s theater, the audience was awed by her video presentation showing test flight footage from Virgin Galactic, and what the experience of heading into space as a commercial passenger with her company might look like, when it takes off.

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Moses views the opportunity for widely available space flight as a unifying endeavor for humanity, but knows well that the final frontier of space is a difficult environment to master.

In 2006, Richard Branson told VOA he was hopeful Virgin Galactic would be orbiting the earth soon.

“Twenty-four months from now, my parents, my children and myself shall be popping into space,” he said with a grin.

But a series of setbacks, including a crash in 2014 that led to the death of one of the test spacecraft’s co-pilots, has pushed that timeline back.

Eleven years later, Branson still waits to be his company’s first passenger.

He told British newspaper The Daily Telegraph in April he hopes to see Virgin Galactic’s first sub-orbital flight by the end of 2017.

“We are in the air and we are working our way through a test program,” Moses told VOA. “When it is complete and the vehicle is safe, we’ll start commercial flights with Richard and his family.”

Those are flights that more than 700 passengers have already paid more than $200,000 to experience, reinforcing to students contemplating a career in aerospace engineering that not only is it in demand, it could also be lucrative… something Mawuto Akploh is keeping in mind as she plans for college, where a course of study in physics is her top pick. (VOA)

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Spacewalking Astronauts Replace Blurry Camera on Robot Arm

This still image provided by NASA shows astronaut Joe Acaba during a spacewalk at the International Space Station on Oct. 20, 2017.

Astronauts went spacewalking Friday to provide some necessary focus to the International Space Station’s robot arm.

The main job for commander Randy Bresnik and teacher-turned-astronaut Joe Acaba was to replace a blurry camera on the new robotic hand that was installed during a spacewalk two weeks ago. The two men were supposed to go spacewalking earlier this week, but NASA needed extra time to rustle up the repair plan.

Sharp focus is essential in order for the space station’s robot hand to capture an arriving supply ship. The next delivery is a few weeks away, prompting the quick camera swap-out.

Orbital ATK, one of NASA’s commercial shippers, plans to launch a cargo ship from Virginia on November 11.

Acaba was barely outside an hour when he had to replace one of his safety tethers, which keep him secured to the orbiting outpost and prevent him from floating away.

Mission Control noticed his red tether seemed frayed and worn and ordered Acaba to “remain put” with his good waist tether locked to the structure as Bresnik went to get him a spare.

Spacewalking astronauts always have more than one of these crucial lifelines in case one breaks. They also wear a jetpack in case all tethers fail and they need to fly back to the space station.

This was the third spacewalk in two weeks for the space station’s U.S. residents. Bresnik performed the first two with Mark Vande Hei.

As they ventured out, Bresnik noted they were flying over Puerto Rico.

“Get out of here,” replied Acaba, the first astronaut of Puerto Rican heritage.

Acaba’s parents were born there, and he still has family on the hurricane-ravaged island.

“There’s a whole line of people looking up and smiling today as you get ready to head out the door,” Bresnik said.

Friday’s spacewalk should be the last one for the year. Early next year, astronauts will replace the hand on the opposite side of the 58-foot robot arm, Canada’s main contribution to the space station. The original latching mechanisms are showing wear and tear since the arm’s launch in 2001.

The 250-mile-high complex is currently home to three Americans, two Russians and one Italian.(VOA)

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NASA extends Dawn mission at dwarf planet Ceres


Washington, Oct 20: NASA has approved a second extension of the Dawn mission at Ceres, the largest object in the asteroid belt between Mars and Jupiter.

During this extension, the spacecraft will descend to lower altitudes than ever before at the dwarf planet, which it has been orbiting since March 2015, the US space agency said on Thursday.

The spacecraft, which has already completed 10 years of spaceflight, will continue at Ceres for the remainder of its science investigation and will remain in a stable orbit indefinitely after its fuel runs out.

Dawn completed its prime mission in June 2016, and its first extension was also approved that year.

The Dawn flight team is studying ways to manoeuvre Dawn into a new elliptical orbit, which may take the spacecraft to less than 200 kilometres from the surface of Ceres at closest approach. Previously, Dawn’s lowest altitude was 385 kilometers.

A priority of the second Ceres mission extension is collecting data with Dawn’s gamma ray and neutron spectrometer, which measures the number and energy of gamma rays and neutrons, NASA said.

This information is important for understanding the composition of Ceres’ uppermost layer and how much ice it contains.

The spacecraft also will take visible-light images of Ceres’ surface geology with its camera, as well as measurements of Ceres’ mineralogy with its visible and infrared mapping spectrometer.

The extended mission at Ceres additionally allows Dawn to be in orbit while the dwarf planet goes through perihelion, its closest approach to the Sun, which will occur in April 2018.

Because of its commitment to protect Ceres from Earthly contamination, Dawn will not land or crash into Ceres.

Instead, it will carry out as much science as it can in its final planned orbit, where it will stay even after it can no longer communicate with Earth.

Mission planners estimate the spacecraft can continue operating until the second half of 2018.

Dawn is the only mission ever to orbit two extraterrestrial targets. It orbited giant asteroid Vesta for 14 months from 2011 to 2012, then continued on to Ceres, where it has been in orbit since March 2015.(IANS)

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NASA Running out of Fuel Required for Deep Space Missions : What will be the future of Exploration Missions?

The supply of the critical resource could be exhausted within the next decade, putting in jeopardy NASA's future missions that would require this fuel.

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What will happen to exploration missions if NASA runs out of fuel? Wikimedia

Washington, October 12, 2017 : The shortage of plutonium threatens NASA’s future mission to explore deep space, the US government has warned.

The break in production of plutonium 238 (Pu-238) between 1988 and 2015 could result in a bottleneck situation, where there is not enough of this scarce resource to power spacecraft during long-duration missions, reported this week citing a government report.

NASA has long used radioisotope power systems (RPS) to generate reliable electrical power and heat energy for long-duration space missions, the US Government Accountability Office (GAO) report said.

But given NASA’s current plans for solar system exploration, the supply of this critical resource could be exhausted within the next decade, putting in jeopardy its future missions that would require this fuel, it warned.

RPS can operate where solar panels or batteries would be ineffective or impossible to use, such as in deep space or in shadowed craters, by converting heat from the natural radioactive decay of plutonium-238 (Pu-238) into electricity.

Missions such as Mars Curiousity rover and the Voyager 1 and 2 spacecraft use radioisotope thermoelectric generators as power source.

The production problems of Pu-238 and subsequent risks to NASA have been known for several years.

The Department of Energy (DOE) and its predecessor agencies have been providing Pu-238 and fabricating RPS for NASA and other federal agencies for more than five decades decades

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DOE currently maintains about 35 kgs of Pu-238 isotope designated for NASA missions, about half of which currently meets the power specifications for spaceflight.

However, given NASA’s current plans for solar system exploration, this supply could be exhausted within the next 10 years.

Specifically, NASA plans to use about 3.5 kg of Pu-238 isotope for one RPS to power the Mars 2020 mission, the Government Accountability Office report said.

NASA may also use an additional 10.5 kg of Pu-238 isotope for its New Frontiers #4
mission if three RPS are used.

If DOE’s existing Pu-238 supply is used for these two missions, NASA would be forced to eliminate or delay future missions requiring RPS until DOE produces or acquires more Pu-238, the report said. (IANS)