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Abu Dhabi, UAEFriday 26 February 2021

Ground test for Nasa's new Moon rocket suffers hitch

Rocket tests are ongoing with the aim of establishing a Moon base by 2030

The core stage for the first flight of NASA’s Space Launch System rocket is seen in the B-2 Test Stand during a scheduled eight minute duration hot fire test at NASA’s Stennis Space Centre. AFP/Nasa
The core stage for the first flight of NASA’s Space Launch System rocket is seen in the B-2 Test Stand during a scheduled eight minute duration hot fire test at NASA’s Stennis Space Centre. AFP/Nasa

Nasa conducted test-fired engines for its giant Space Launch System lunar rocket on Saturday but they shut down earlier than planned, the space agency said.

The "hot-fire" test at the Stennis Space Centre in Mississippi was supposed to last a little over eight minutes – the time the engines would burn in flight – but they shut down just over a minute into the burn.

"Teams are assessing the data to determine what caused the early shutdown, and will determine a path forward," Nasa said in a statement.

The SLS rocket is intended to launch the Artemis missions that will take US astronauts back to the Moon.

Despite being cut short, Nasa said the test of the RS-25 engines had provided valuable information for the planned missions.

"Saturday's test was an important step forward to ensure that the core stage of the SLS rocket is ready for the Artemis I mission, and to carry crew on future missions," said Nasa administrator Jim Bridenstine.

"Although the engines did not fire for the full duration, the team successfully worked through the countdown, ignited the engines, and gained valuable data to inform our path forward."

It is not yet known what caused the early shutdown but SLS programme manager John Honeycutt told reporters they had seen a flash in a thermal protection blanket on one of the engines and were analysing the data.

"In my opinion the team accomplished a lot today, we learnt a lot about the vehicle," Mr Honeycutt said.

Nasa's Artemis I mission to test the SLS and an unmanned Orion spacecraft is scheduled to take place before the end of 2021.

The following Artemis II mission in 2023 will take astronauts around the Moon but will not land. Artemis III will send astronauts, including the first woman, to the Moon in 2024.

In its configuration for Artemis I, the SLS will stand 98 metres, taller than the Statue of Liberty. It is more powerful than the Saturn V rockets used in the Apollo missions that sent the first astronauts to the Moon.

Nasa's eventual goal is to establish an Artemis Base Camp on the Moon before the end of the decade. The ambitious plan would require tens of billions of dollar of funding and the green light from President-elect Joe Biden and Congress.

A manned return to the Moon is the first part of the Artemis programme to set up a long-term colony and test technologies for a crewed mission to Mars in the 2030s.

Updated: January 17, 2021 03:07 PM

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