NASA’s experimental X-59 Quiet SuperSonic Technology (Quesst) aircraft has reached a crucial testing milestone with its engine fired up for the first time. Since late October, engineers at Lockheed Martin’s Skunk Works facility in Palmdale, California, have been carrying out phased engine tests to evaluate the X-59’s performance and systems integration. These tests mark a significant step toward the aircraft’s initial flight, though an official date for this event has not been determined.

Engine Tests and Performance Evaluations

Engine tests began with low-speed operations, allowing engineers to inspect for leaks and verify that key systems, such as hydraulics and electrical components, function smoothly with the engine running. Once basic checks were complete, the X-59’s engine was powered up in full for an initial assessment. Jay Brandon, NASA’s X-59 chief engineer, explained that the tests served as a “warmup” to ensure the engine performed correctly and supported various critical aircraft systems.

The jet operates with a modified F414-GE-100 engine, a version of the F414 series used in the U.S. Navy’s Boeing F/A-18 Super Hornet. To predict the sound levels the X-59 might produce, NASA has used F/A-18 jets to simulate the aircraft’s unique sound profile, which is quieter than conventional sonic booms.

Design Features and Goals

The X-59 is designed to reach Mach 1.4, with a target altitude of 55,000 feet. Its long, streamlined nose — extending over 11 meters — is crafted to reduce sonic booms to a mild “thump” sound, instead of the disruptive noise traditionally associated with supersonic travel. With its shape, the X-59 could support regulatory shifts allowing quieter supersonic flights over populated areas.

In January 2024, NASA unveiled the X-59’s revolutionary cockpit design, which lacks a forward-facing window. To compensate, pilots rely on an “eXternal Vision System” that provides a forward view via a digital display, combining camera feeds with augmented reality. Pam Melroy, NASA Deputy Administrator, highlighted this technology as a means to overcome limitations in visibility due to the aircraft’s design.

Next Steps and Community Research

Upcoming testing phases will examine the aircraft’s responses to different simulated scenarios and include taxi tests to ensure smooth ground operation. Once airborne, the X-59 will fly over select U.S. cities to gauge public response to its quieter sound profile. Data gathered will support NASA’s goal of demonstrating viable, noise-minimised supersonic flight for potential future commercial applications.

A study has shown that the well-preserved fossil of a nodosaur, a plant-eating dinosaur, could withstand the force of a high-speed car crash. The fossil, discovered in Alberta, Canada, belongs to Borealopelta markmitchelli , a species that lived around 110 million years ago during the Early Cretaceous period. This fossil is one of the best-preserved dinosaur specimens ever found, offering unprecedented insights into the defensive capabilities of the nodosaur’s armour.

Study Insights from Expert Researchers

The research, led by biomechanical paleontologist Dr. Michael Habib from UCLA, revealed that the keratin sheaths covering the nodosaur’s bony spikes were significantly thicker than originally thought. The thickness of the keratin layer on the fossil was measured at nearly 16 centimetres in some areas, much thicker than the keratin found in modern-day animals like cattle horns. This keratin, combined with bony spikes, provided an exceptionally strong defence.

According to Dr. Habib, the strength of the nodosaur’s armour was such that it could withstand over 125,000 joules of energy per square metre—equivalent to the force from a high-speed car collision. The research highlighted that this armour was a defence against predators but it also likely played a role in combat between males of the same species.

Adaptations for Flexibility and Protection

The study further suggested that the nodosaur’s armour, consisting of a flexible keratin layer, allowed for greater mobility and protection. If the keratin was damaged, it could be shed, offering a quick recovery mechanism compared to brittle bone armour that could crack under impact. The presence of keratin would also have allowed the dinosaur to fight effectively with its rivals, which could have been crucial in mating battles.

The fossil’s remarkable preservation has led to further insights into the armour of other dinosaur species, with researchers suggesting that similar adaptations might have been widespread among armoured dinosaurs.

Russia successfully launched a record-setting 53 satellites into space on November 4, 2024, achieving a major milestone in satellite deployment. This launch, managed by the Russian space agency Roscosmos, included a combination of domestic and international satellites. A Soyuz-2.1b rocket with a Fregat upper stage was used for the mission, lifting off from the Vostochny spaceport in Russia’s Far East at 6:18 pm EST on November 4 (2318 GMT, or 2:18 am IST on November 5). According to Roscosmos, all 53 satellites reached their designated orbits successfully.

International Collaborations in Satellite Deployment

As per the latest report by Russian News Agency, this satellite deployment involved several international partnerships. Among the payload were 49 Russian satellites, along with one joint Russian-Chinese and one Russian-Zimbabwean satellite. Notably, two satellites from Iran were also onboard: the Kowsar imaging satellite, which is designed for high-resolution imagery, and the Hodhod satellite, focused on communications. According to TASS, the launch of 51 domestic satellites broke a national record, underlining Russia’s evolving role in global satellite launches. While significant, this launch does not surpass the record set by SpaceX in January 2021, when 143 satellites were delivered into orbit in a single launch.

Ionospheric Monitoring and Strategic Aims

Two Ionosfera-M satellites were included in this mission to enhance monitoring of Earth’s ionosphere, providing valuable data on atmospheric conditions. Each satellite in this system weighs approximately 948 pounds (430 kilograms), highlighting Russia’s commitment to expanding its space-based observation systems. This launch marks Russia’s thirteenth of the year, reflecting the country’s sustained yet moderate pace in satellite launches relative to global counterparts.

Russia’s Position in Global Space Race

Although Russia has historically held a leading position in space activities, its launch rate has slowed in recent years. The United States, largely due to the frequency of SpaceX Falcon 9 launches, and China have accelerated their launch programmes, leaving Russia in a distant third position. Despite this, Russia continues to play an active role in international space collaborations, including its involvement with the International Space Station (ISS).