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Knowridge
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Image Credit: Knowridge
Webb Telescope spots a galaxy that shouldn’t be seen
- Astronomers using the James Webb Space Telescope have discovered a galaxy that challenges current understanding of the early universe.
- The galaxy, named JADES-GS-z13-1, is seen as it was just 330 million years after the Big Bang, making it one of the oldest and most distant galaxies ever seen.
- The galaxy's light contains a bright signal of Lyman-α radiation, which was unexpected because it was thought to be blocked by the neutral hydrogen fog of the early universe at that time.
- Possible explanations include the presence of a huge bubble of ionized hydrogen or an active black hole in the galaxy.
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Earthsky
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Image Credit: Earthsky
Surprisingly big organic molecules on Mars: A hint of life?
- NASA's Curiosity rover has discovered the largest organic molecules on Mars, believed to be fatty acids, containing chains of up to 12 carbon atoms.
- These molecules, found in mudstone rocks at the bottom of an ancient lake, are tantalizing because fatty acids are common in life on Earth but can also form without life.
- The discovery is exciting, but it does not confirm the presence of life on Mars, as non-biological processes can also create similar molecules.
- The international team of researchers published their findings in the Proceedings of the National Academy of Sciences in March 2025.
- Curiosity's discovery of decane, undecane, and dodecane suggests the presence of long-chain molecules, potentially the remnants of fatty acids found in life.
- The possibility of these molecules being breakdown products from carboxylic acids hints at an exciting find related to ancient life forms on Mars.
- While the discovery is intriguing, scientists cannot definitively determine if the molecules are of biological origin without further analysis or sample return to Earth.
- The presence of longer carbon chains and even-numbered fatty acids in the molecules from Mars raises interesting questions about their potential biological sources.
- Future missions like Mars Sample Return aim to bring samples back to Earth for in-depth analysis to settle the debate about life on Mars.
- NASA's ongoing exploration of Mars continues to provide valuable insights into the planet's ancient history and the possibility of past life forms.
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Analyticsindiamag
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Image Credit: Analyticsindiamag
Deloitte’s Satellite Hits the Space
- Deloitte has successfully launched its ‘Deloitte-1’ satellite with the help of SpaceX and Spire.
- Deloitte aims to leverage space-enabled insights for clients and expand capabilities for space platforms.
- The company has established 'Deloitte Space', the first professional services practice focused on the entire space value chain.
- Deloitte offers a global network of space professionals and has also launched a Global AI Simulation Centre of Excellence.
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Guardian
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Image Credit: Guardian
Weatherwatch: Could global heating wreak havoc on Earth’s satellites?
- The upper atmosphere is cooling and contracting due to greenhouse gases.
- The contraction of the thermosphere increases the risks of collisions between satellites.
- Less drag in the thermosphere results in more satellites being left in orbit.
- Estimates suggest that greenhouse emissions could reduce the number of safe satellites in orbit by at least half by the end of this century.
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Medium
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Image Credit: Medium
The Paradox of the Universe: Expanding, Collapsing?
- According to the Big Bang Theory, the universe emerged from an initial singularity approximately 13.8 billion years ago, expanding rapidly in an event known as cosmic inflation.
- The Big Crunch theory proposes that the expansion could one day reverse, leading to a cosmic collapse.
- A radical yet compelling idea is that the universe is both expanding and collapsing, depending on how we observe it.
- The question of whether the universe is expanding, collapsing, or both remains one of the greatest mysteries in physics.
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Medium
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Image Credit: Medium
The 5 Greatest Celestial Events in Human History
- In September 1859, the Carrington Event, the most powerful geomagnetic storm ever recorded, caused widespread disruption and showcased the potential damage that could be caused by solar storms today.
- The 1066 appearance of Halley’s Comet was seen as an omen, appearing just before the Norman conquest of England, and it provided one of the earliest documented observations of the comet and the significance of celestial events.
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Digitaltrends
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Image Credit: Digitaltrends
How to watch Saturday’s partial solar eclipse
- A partial solar eclipse is set to occur on Saturday where parts of North America, Europe, Africa, northern Asia, small parts of South America, and certain oceanic regions will be able to view it.
- The eclipse will appear like a crescent as the moon passes in front of the sun.
- Proper eye protection and indirect viewing methods are necessary to watch the eclipse safely.
- Specific viewing times and information about the eclipse duration can be found on NASA's website.
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Spaceflightnow
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U.S. Space Force certifies ULA’s Vulcan rocket to begin launching national security missions
- The U.S. Space Force has certified ULA's Vulcan rocket to launch national security payloads, marking a significant milestone in the spaceflight community.
- The completion of the certification process allows the Space Systems Command to begin launching National Security Space Launch (NSSL) missions using the two-stage, heavy-lift Vulcan rocket.
- The certification process began in 2016 and culminated in the rocket's first certification flight (Cert-1) in January 2024, launching the Peregrine-1 mission for Astrobotic and NASA.
- Following the certification flight, ULA encountered an anomaly during a test flight when one of the solid rocket boosters experienced a burn through, leading to an investigation and subsequent corrective actions.
- ULA completed 52 certification criteria, including payload interface requirements and subsystem design reviews, demonstrating Vulcan's readiness for national security missions.
- The completion of Vulcan's certification is crucial for the NSSL Phase 2 program, which aims to divide national security payload missions between ULA and SpaceX.
- ULA's first NSSL Phase 2 mission, USSF-51, was launched on an Atlas 5 rocket, with plans for Vulcan to carry out upcoming missions including USSF-106 this summer.
- ULA expects to launch Vulcan rockets from Vandenberg Space Force Base in California by the end of the year, further expanding its capabilities for national security space launches.
- The certification of Vulcan aligns with the U.S. government's plans for NSSL Phase 2 missions and signifies a significant advancement in ULA's launch capabilities.
- The rigorous certification process and successful completion validate Vulcan's design for meeting challenging requirements and delivering high performance in national security missions.
- With the certification complete, ULA is poised to play a crucial role in launching national security payloads and supporting the country's space-based systems.
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Nasa
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Image Credit: Nasa
Sols 4491-4492: Classic Field Geology Pose
- Curiosity rover's right-front wheel perched on a small, angular block
- The Curiosity team opted for remote sensing observations instead of deploying the robotic arm
- The two-sol plan includes targeted remote sensing and a drive to climb higher in the canyon
- ChemCam will acquire observations of a well-laminated block, and Mastcam will investigate active surface processes
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Medium
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Image Credit: Medium
The Role of Decentralized Technology in Enhancing Aviation Safety and Data Accessibility with Derad…
- Aviation safety heavily relies on real-time data such as aircraft positions, weather conditions, and air traffic patterns, traditionally managed through centralized systems like ADS-B.
- Centralized systems like ADS-B possess single points of failure, coverage gaps in remote areas, and limited data accessibility to stakeholders.
- Derad Network, a Web 3.0 initiative, decentralizes flight tracking using blockchain to create a tamper-proof record of aviation data by incentivizing global contributors.
- Derad Network integrates blockchain, DePIN, and AI to enhance coverage, ensure data integrity, and provide real-time predictive analytics for aviation safety.
- Benefits of Derad include mitigating risks of outages, expanding coverage through crowdsourcing, ensuring tamper-proof data integrity, and enabling real-time predictive analytics.
- Derad fosters democratization of aviation data access, benefiting small operators, supporting innovation, and engaging the public in the aviation ecosystem.
- Real-world applications of Derad Network extend to various sectors beyond traditional air travel, paving the way for a decentralized aviation future.
- Challenges like scaling participation, regulatory acceptance, and energy efficiency need addressing for the widespread adoption of Derad Network.
- Derad Network's vision aligns with the shift towards decentralization, gaining traction among Web 3.0 enthusiasts and aviation stakeholders for a promising future.
- Derad Network represents a stride towards a safer and more accessible aviation ecosystem by addressing the limitations of centralized systems through resilience, transparency, and inclusivity.
- Decentralized technology like Derad Network is essential for ensuring aviation safety and navigating the increasingly busy skies of the future, revolutionizing the aviation industry.
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Nasa
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Image Credit: Nasa
NASA’s X-59 Completes ‘Cruise Control’ Engine Speed Hold Test
- NASA's X-59 completed a critical ground test known as engine speed hold.
- The test verified the speed hold functions properly and can be adjusted incrementally.
- This capability will increase pilot safety and offload their workload during flight.
- The successful test brings the X-59 closer to first flight and making aviation history.
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Metro
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Image Credit: Metro
NASA just captured something incredible on Neptune for the first time
- Neptune’s glowing auroras have been captured in the best detail yet by NASA’s James Webb Space Telescope.
- Auroras occur when electrically charged particles from space enter and collide with molecules in the atmosphere, creating a series of reactions that emit light.
- The Webb telescope has captured Neptune’s shimmering lights in infrared light, providing direct evidence they exist.
- Neptune's auroras occur near the mid-latitudes of the planet due to differences in its magnetic field, and have only been seen previously by the Voyager 2 spacecraft.
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Medium
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Image Credit: Medium
Lumen of the Ages
- The moon has been a symbol of reverence, timekeeping, navigation, and inspiration throughout history.
- It has witnessed humanity's triumphs and failures, the rise and fall of civilizations, and the birth of revolutions.
- No matter how much the world changes, the moon remains a constant in the sky, connecting generations and reminding us of our place in the universe.
- The moon continues to watch over us, offering a sense of belonging and hope for the future.
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Medium
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Image Credit: Medium
How I Made $500 in a Week with AI Apps
- Many individuals are making money online with the help of AI applications.
- A New Year Bundle of 12 AI apps is being offered at an affordable price of $14.95.
- These AI apps provide various features to optimize productivity and profitability.
- Whether you're a beginner or experienced, these user-friendly apps can help you achieve financial success.
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Nasa
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Image Credit: Nasa
Science-Packed Day Advancing Crew Health Before Cargo Mission Ends
- Astronauts aboard the International Space Station (ISS) are conducting various scientific investigations to understand the effects of long-duration spaceflight on their health.
- Two NASA astronauts, Nichole Ayers and Anne McClain, are participating in the CIPHER investigation to study how microgravity affects eye structure and vision. They conducted medical imaging tests and collected data on retinal response to light.
- NASA Flight Engineer Don Pettit collected and processed blood, saliva, and urine samples to be stored for future analysis. He also underwent a vision test to monitor his visual acuity as part of routine health check-ups.
- Other activities on the ISS included biomedical studies by Flight Engineer Takuya Onishi, circulatory system studies by Station Commander Alexey Ovchinin and Flight Engineer Ivan Vagner, and replacement of life support gear by Flight Engineer Kirill Peskov.
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