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Seoul (Sputnik) Sep 17, 2021
South Korea's Institute for Defense Analyses managed to carry out successful firing tests of a solid-propellant engine for a new space launch vehicle already on 29 July, paving way for commercial launches of this type of rockets to start as early as in 2024, the defense ministry said on 16 September. The new engine will allow launching small satellites and groups of extra-small satellites
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Maxwell AFB AL (SPX) Sep 17, 2021
Just after 8 p.m. EST on Sept. 15, 2021, the next batch of space tourists lifted off aboard a SpaceX rocket. Organized and funded by entrepreneur Jared Isaacman, the Inspiration4 mission touts itself as "the first all-civilian mission to orbit" and represents a new type of space tourism. The four crew members are not the first space tourists this year. In the past few months, the world wit
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satellite
Credit: CC0 Public Domain

Verifying that a satellite will resist the sheer noise of the rocket launching it into orbit is a very important test that every mission must successfully pass.

"Typically satellites are tested inside purpose-built reverberant chambers, such as ESTEC's own Large European Acoustic Facility sometimes described as the largest and most powerful sound system in Europe," explains ESA test facility expert Steffen Scharfenberg, overseeing the test campaign together with ESA mechanical engineer Ivan Ngan. A very powerful generation system produces a uniform noise field thanks to the reverberation on the thick concrete walls of the chamber.

ESA has initiated a working group comprising of European spacecraft testing entities, industries and academics to study an alternative method, in which the is surrounded by less powerful noise generators but these are placed very close all around the satellite. This method is called the Direct Field Acoustic Noise Test.

This technique is already in use in several locations but there is not yet much experience of it in Europe. Accordingly ESA has just completed a test campaign where the classic method and the new method have been used on a small satellite to compare their results.

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Video: 00:04:32

Kick off the 2021-22 school year with ESA school projects. ESA astronaut Matthias Maurer introduces the wide range of space-based STEM projects available to primary and secondary students: Moon Camp, Climate Detectives, Astro Pi, CanSat and Mission X.

Learn more

Friday, 17 September 2021 12:05

Week in images: 13 - 17 September 2021

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Maharloo Lake, a seasonal salt lake in Iran, is featured in this image captured by the Copernicus Sentinel-2 mission.

Week in images: 13 - 17 September 2021

Discover our week through the lens

Friday, 17 September 2021 07:00

Earth from Space: Maharloo Lake

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Maharloo Lake, a seasonal salt lake in Iran, is featured in this image captured by the Copernicus Sentinel-2 mission.

Maharloo Lake, a seasonal salt lake in Iran, is featured in this image captured by the Copernicus Sentinel-2 mission.

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First all-civilian crew space mission
Graphic on the four all-civilian passengers on SpaceX's mission to orbit around the Earth, lauched September 15 from Florida.

SpaceX's all-civilian Inspiration4 crew spent their first day in orbit conducting scientific research and talking to children at a pediatric cancer hospital, after blasting off on their pioneering mission from Cape Canaveral the night before.

St Jude tweeted its patients got to speak with the four American space tourists, "asking the questions we all want to know like 'are there cows on the Moon?'"

Billionaire Jared Isaacman, who chartered the flight, is trying to raise $200 million for the research facility.

Inspiration4 is the first orbital spaceflight with only private citizens aboard.

Earlier, Elon Musk's company tweeted that the four were "healthy" and "happy," had completed their first round of , and enjoyed a couple of meals.

Musk himself tweeted that he had personally spoken with the crew and "all is well.

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Bath UK (SPX) Sep 15, 2021
A new study suggests that all living snakes evolved from a handful of species that survived the giant asteroid impact that wiped out the dinosaurs and most other living things at the end of the Cretaceous. The authors say that this devastating extinction event was a form of 'creative destruction' that allowed snakes to diversify into new niches, previously filled by their competitors. The
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Moscow (AFP) Sept 16, 2021
Russian actress Yulia Peresild said Thursday it was "too late" for fear ahead of her launch into space, as Moscow races against Hollywood to film the first movie in orbit. Russia's space agency Roscosmos is dispatching the 36-year-old screen star next month to the International Space Station (ISS) along with director Klim Shipenko, 38, in the race against time to beat a parallel US project.
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Washington DC (UPI) Sep 16, 2021
The crew of the first all-private orbital space mission has spent Thursday, the first full day of the mission, circling the Earth every 90 minutes at over 17,000 mph. SpaceX reported the Crew Dragon Resilience capsule with four civilians inside was traveling 363 miles high over Asia as of mid-morning, quickly moving over the massive continent. The altitude is a full hundred miles higher
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