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Crunch time for Phoebus before testing

Wednesday, 25 October 2023 17:57
Crunch time for Phoebus
The cryogenic upper stage (Etage Supérieur Cryotechnique de type A—ESC-A) for Ariane 5 ECA flight V172 being hoisted prior to integration on top of the main body of the launcher. The integration was performed in the Launcher Integration Building (Bâtiment d'Intégration Lanceur—BIL) at Europe's Spaceport at Kourou in French Guiana on 19 June 2006. Credit: ESA/CNES/ARIANESPACE-Service Optique CSG

Launching things into space is hard. Aside from the engines and software, orbital calculations and the launch pad, the tanks that hold the fuel are a masterful example of engineering in their own right.

moon
Side view of the crater Moltke taken from Apollo 10. Credit: Public Domain

A new US rocket, United Launch Alliance (ULA)'s Vulcan Centaur, is to make its maiden flight on Christmas Eve with a payload that includes a private lunar lander.

The mission, called Cert-1, will also carry on board the cremated remains of several people associated with the original "Star Trek" series, including creator Gene Rodenberry and cast member Nichelle Nichols, who portrayed the character Uhura. Rodenberry's ashes have been launched into orbit before.

Liftoff is scheduled for December 24 from the US Space Force launch base at Cape Canaveral, Florida, United Launch Alliance (ULA) announced Tuesday evening.

"We'll be launching several times in '24," promised ULA's CEO Tory Bruno in an interview on CNBC. "When we get about halfway through '25, we'll be launching every two weeks, so you'll see a steady ramp up."

ULA describes the Vulcan Centaur as its "next generation" rocket that will provide higher performance and greater affordability than its current lineup, which includes the Atlas V.

Lunar astronauts will need easy walking trails around the moon's south pole
Illustration of Artemis astronauts on the moon. Credits: NASA

Before this decade is out, NASA plans to return astronauts to the moon for the first time since the Apollo Era and build the necessary infrastructure to keep sending them back. And they will hardly be alone. Alongside NASA's Artemis Program, the European Space Agency also plans to send astronauts to the moon and establish a permanent habitat there (the Moon Village), while China and Russia are working toward creating the International Lunar Research Station (ILRS). Numerous commercial space companies will also be there to provide crew transportation, cargo, and logistical services.

All of this will happen in the moon's southern polar region, a topographically complex region characterized by craters, permanently shadowed regions (PSRs), and undulating slopes. This terrain could prove difficult for crews conducting extravehicular activities (EVAs) away from landing sites and habitats.

In a recent study, an international team of researchers used data from NASA's Lunar Reconnaissance Orbiter (LRO) to create a detailed atlas of the region that accounts for all the traverses and descents.

Goddard engineers improve NASA lidar tech for exploration
A prototype origami-pattern deployment sequence is demonstrated by graduate students Brandon Sargent (left) and Carolina Wright (right) of Brigham Young University. It shows the large expansion capability and the flexibility in the overall architecture. Credit: Brigham Young University / Larry L. Howell

Lidar technology improvements will help NASA scientists and explorers with remote sensing and surveying, mapping, 3D-image scanning, hazard detection and avoidance, and navigation.

Like a sonar using light instead of sound, lidar technology increasingly helps NASA scientists and explorers with and surveying, mapping, 3D-image scanning, hazard detection and avoidance, and navigation.

Cutting edge innovations by NASA researchers seek to refine lidars into smaller, lighter, more versatile tools for exploration.

Nighttime rehearsal for Ariane 6 toward first flight
Ariane 6 as its mobile gantry is rolled away. Credit: European Space Agency

Yesterday, a team of CNES, ESA, Arianespace and ArianeGroup personnel at Europe's Spaceport in Kourou, French Guiana, completed a full-scale wet rehearsal of the new Ariane 6 rocket that was fueled and then drained of its fuel. The test lasted over 30 hours with three teams working in shifts of 10 hours each.

The goal was to increase the robustness of the launch system and to test emergency safety procedures with an interruption of the countdown from simulated anomalies.

The wet rehearsal—called combined test loading, abbreviated to CTLO2.1—is the third time the Ariane 6 ground teams have practiced a full launch countdown, after a first rehearsal on 18 July and a first ignition of the main engine on 5 September. Yesterday's test concentrated on system robustness and how well Ariane 6 and the teams handle situations at the edge of the operational parameters.

This time, the operations were performed at night to test operations in cooler , while the July and September tests were run in daylight.

Under what conditions many chemical elements are created in the Universe has long been shrouded in mystery. This includes elements that are highly valuable, or even vital to life as we know it. Astronomers are now one step closer to an answer thanks to the James Webb Space Telescope and a high-energy event: the second-brightest gamma-ray burst ever detected, most likely caused by the merging of two neutron stars – which resulted in an explosion known as a kilonova.

Jiuquan, China (AFP) Oct 25, 2023
China will send its youngest-ever crew of astronauts to the Tiangong space station this week, officials said Wednesday, as Beijing pursues plans for a manned mission to the Moon by the end of the decade. Tiangong is the crown jewel of Beijing's space programme, which has also landed robotic rovers on Mars and the Moon and made China the third country to put humans in orbit. The station i
Jiuquan (XNA) Oct 25, 2023
The final all-systems rehearsal for China's upcoming manned Shenzhou XVII spaceflight took place on Tuesday morning, according to China Central Television. Organized by the Beijing Aerospace Control Center - the Jiuquan Satellite Launch Center, the Xi'an Satellite Control Center and spacecraft tracking ships simulated all the processes for the spaceflight, the State broadcaster said, addin
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