Monday July 22, 2019
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NASA fires up engine to take astronauts to Mars

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Washington: As part of its ambitious Space Launch System (SLS), the US space agency has successfully tested an engine that will help propel astronauts on future deep-space missions, including Mars.

Photo Credit: www.ubergizmo.com
Photo Credit: www.ubergizmo.com

The 535-second test of RS-25 rocket engine at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, was aimed to collect engine performance data, the US space agency said in a statement.

An initial 77-tonne SLS configuration will use four RS-25 engines for the core stage, along with two five-segment solid rocket boosters, providing more lift to orbit than any current launch vehicle.

One final test of this RS-25 developmental engine is left and testing of flight engines will begin later this fall.

The core stage for the first SLS and Orion integrated flight will also be tested at Stennis.

That test will involve simultaneous firing of the four RS-25 engines just as during an actual launch.

Powered by four RS-25 engines, the SLS will send the Orion spacecraft into deep space missions.

“The RS-25 engine gives SLS a proven, high performance, affordable main propulsion system for deep space exploration,” NASA said.

It is one of the most experienced large rocket engines in the world, with more than a million seconds of ground test and flight operations time.

When completed, SLS will enable astronauts to begin their journey to explore destinations far into the solar system.
During the joint Senate-NASA presentation in September 2011, it was stated that the SLS programme has a projected development cost of $18 billion through 2017.

It will be divided into $10 billion for the SLS rocket, $6 billion for the Orion Multi-Purpose Crew Vehicle and $2 billion for upgrades to the launch pad and other facilities at the Kennedy Space Center.

(IANS)

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With 50th Anniversary of First Moon Landing, NASA Plans to Send ‘First Woman and Next Man’ on Moon

"Artemis" is named after the twin sister of Apollo who is also the Goddess of the Moon and the hunt

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The five missions between 2022 and 2024 will be operated by private companies, according to NASA's plans. VOA

As the world marked the 50th anniversary of the first Moon landing, the US space agency said it has doubled down on its next giant leap with the Artemis programme that would take “the first woman and the next man” to the lunar surface.

“Artemis” is named after the twin sister of Apollo who is also the Goddess of the Moon and the hunt. “Artemis will light our way to Mars. The new Artemis identity draws bold inspiration from the Apollo programme and forges its own path, showing how it will pursue lunar exploration like never before and pave the way to Mars,” NASA said in a statement.

The astronauts would explore regions of the Moon never visited before, unlock mysteries of the Universe and test the technology that will extend the bounds of humanity farther into the solar system.

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FILE – Astronaut Buzz Aldrin walks on the surface of the moon during the Apollo 11 mission in 1969. VOA

“On the lunar surface we will pursue water, ice and other natural resources that will further enable deep space travel. From the Moon, humanity will take the next giant leap to Mars,” said the agency. Returning astronauts to the Moon in 2024 could cost about $30 billion, or roughly the same price tag as the Apollo 11 spaceflight when factoring in inflation.

The total cost of the Apollo programme that the US launched in 1961 and concluded in 1972 was $25 billion. The climax of that programme came nearly 50 years ago when two astronauts landed on the Moon as part of the Apollo 11 mission, which cost $6 billion at the time, equivalent to $30 billion today.

According to NASA Administrator Jim Bridenstine, the main difference between the Apollo programme and the “Artemis” is that the former culminated with brief stays on the Moon while the latter will entail a permanent human presence there.

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Returning astronauts to the Moon in 2024 could cost about $30 billion, or roughly the same price tag as the Apollo 11 spaceflight when factoring in inflation. Pixabay

The plan will involve the recruitment of private companies and international partners, the construction of a lunar space station and manned landings at the Moon’s south pole within five years.

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The programme includes an unmanned mission around the Moon in 2020 and a manned mission that will also orbit the Moon two years later. The next lunar missions will be delivered into space by the Space Launch System, a rocket being developed by NASA and Boeing that will be the largest ever built once it is fully assembled.

That rocket will send into orbit a new spacecraft known as Orion, whose lead contractor is Lockheed Martin. The five missions between 2022 and 2024 will be operated by private companies, according to NASA’s plans. (IANS)