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Space News
Medium
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Image Credit: Medium
NASA Shakeup: Three Departments Closed, Chief Scientist Fired
- The Office of the Chief Scientist has been closed, raising concerns about weakening NASA's role in climate research.
- The closure of the Office of Technology, Policy, and Strategy may limit NASA's ability to make data-driven decisions.
- The shutdown of NASA's Diversity, Equity, Inclusion, and Accessibility (DEIA) Branch reflects shifting priorities.
- The changes in NASA's structure and personnel raise concerns about the agency's ability to maintain its leadership in space exploration and scientific innovation.
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Knowridge
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Image Credit: Knowridge
Glowing caves on Earth may hold clues to life beyond our planet
- Scientists are studying glowing caves on Earth, like Wind Cave in South Dakota, to understand how life can survive in extreme places both underground and on other planets.
- The caves contain rocks and minerals that glow in bright colors when lit with UV lights, revealing traces of 'fossilized chemistry' left behind by ancient water.
- An astrobiologist and his team are using spectrometers and UV lights to analyze the glowing rocks and understand the chemical composition without causing damage.
- The research aims to uncover insights about the formation of these caves and potentially apply the knowledge to the search for life on other celestial bodies.
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Nasa
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Image Credit: Nasa
NASA’s Webb Captures Neptune’s Auroras For First Time
- NASA's James Webb Space Telescope has captured bright auroral activity on Neptune for the first time, revealing the long-sought auroral glow.
- Auroras on Neptune are caused by energetic particles trapped in the planet's magnetic field, creating a distinctive glow when they collide with the upper atmosphere.
- Previous attempts to image and confirm auroras on Neptune were challenging, making it the missing piece in understanding auroral activity on the giant planets in our solar system.
- Using Webb's near-infrared sensitivity, researchers were able to capture detailed images of the auroras on Neptune, showcasing the uniqueness of its auroral activity.
- The data collected by Webb also revealed the presence of the trihydrogen cation (H3+) in Neptune's atmosphere, a clear sign of auroral activity.
- Unlike Earth, Jupiter, or Saturn, Neptune's auroras are located at mid-latitudes due to the planet's tilted magnetic field, offering new insights into its atmospheric dynamics.
- The discovery of Neptune's auroras will aid in understanding its magnetic field interactions with solar particles and provide valuable information for future studies.
- Webb's observations indicated a significant temperature drop in Neptune's upper atmosphere since 1989, impacting the intensity of the detected auroral activity.
- Future studies using Webb aim to explore Neptune over a solar cycle to unravel mysteries related to its magnetic field and atmospheric dynamics.
- This groundbreaking research on Neptune's auroras was led by a team of astronomers and has been published in Nature Astronomy.
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Medium
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Why Marriages Break Early: An Astrological and Psychological Analysis of Relationship Turmoil
- Marriages are breaking early and the reasons can be analyzed through astrology and psychology.
- The changing nature of marriage, with modern expectations conflicting with traditional realities, is one major factor.
- Astrologically, afflictions in the 7th house, which represents marriage, can lead to early divorce.
- Mercury, Rahu, and Mars also play roles in communication breakdown, false allegations, and domestic conflicts, respectively.
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Medium
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The Contribution of India in the Field of Astronomy
- Indian astronomy made significant strides in understanding the universe, recognizing the sun and stars as similar celestial bodies and proposing the sun as the center of the universe.
- Astrology and astronomy were intricately linked in ancient India, fostering a unique environment for astronomical study where scientific inquiry and spiritual significance intertwined.
- The Vedanga Jyotisha, authored by Lagadha in around 1200 AD, is one of the earliest texts in Indian astronomy that outlines methods for tracking the motions of the sun and moon.
- Mathematics played a vital role in ancient Indian astronomy, facilitating the calculation of time, daylight hours, and the precise timings of sunrise and sunset.
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Medium
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Elon Musk’s Vision for Mars is a Disaster Waiting to Happen
- The harsh Martian environment, with lethal conditions, poses a significant challenge for colonization.
- Psychological and social risks in isolated and extreme conditions could lead to conflicts and psychological breakdowns.
- Logistics nightmare as supply missions would be costly, time-consuming, and without immediate help from Earth.
- Ethical and legal concerns arise due to ownership and territorial disputes on Mars.
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Medium
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Azimuth and the Spiral: A Story for the Becoming
- The article titled 'Azimuth and the Spiral: A Story for the Becoming' delves into the concept of the universe's creation, highlighting chirality and asymmetry as the starting points.
- It talks about time coiling and resonance deepening into dimensions, leading to the emergence of structure and eventually DNA.
- Stars are portrayed as resonating entities, coaxing matter to sing in plasma tongues, with planets being described as drumheads in their choir.
- The narrative progresses to the origin of life with bacteria, jellyfish, and fruit flies playing vital roles in the evolutionary symphony.
- DNA is likened to a jazz score, mutating and improvising under stress, showcasing its adaptive and evolutionary nature.
- The article further explores human evolution, emphasizing the spiral's guidance in migration, language, love, and error.
- It touches upon truth's revelation through resonance and the eventual harmony between humans and tardigrades for survival and evolution.
- The climax reaches Azimuth's final note, highlighting the continuous spiral of becoming and the interconnectedness of all life.
- The concept of emergence as a dance, death as a rest note, and individuality as an instrument is reiterated, emphasizing the ongoing journey of existence.
- The article beautifully encapsulates the idea of the spiral tuning itself repeatedly, symbolizing the eternal process of evolution and self-awareness.
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Guardian
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Martian dust may pose health risk to humans exploring red planet, study finds
- Martian dust may pose health risk to humans exploring red planet, study finds.
- Toxic Martian dust can cause chronic health effects due to its ability to stick to everything and penetrate into lungs and bloodstream.
- Astronauts on a mission to Mars would not have rapid return to Earth for treatment, requiring extensive measures to limit dust exposure.
- Possible solutions include air filters, self-cleaning space suits, and electrostatic repulsion devices.
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Arstechnica
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ESA finally has a commercial launch strategy, but will member states pay?
- The European Space Agency (ESA) has launched the European Launcher Challenge to inject competition into the European launch market.
- The near-term plan is for ESA to select companies for service contracts to transport payloads to orbit from 2026 through 2030.
- The challenge is open to any European company working in the launch business.
- The aim is to foster a dynamic multiplayer industry, similar to the United States.
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Knowridge
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Image Credit: Knowridge
How an actively feeding supermassive black hole could be good for life
- Radiation from active galactic nuclei (AGN) can have both positive and negative impacts on nearby planets and life forms.
- Strong ultraviolet (UV) emissions from AGN can either help transform a planet's atmosphere or hinder the development of prebiotic compounds.
- Once a planet has existing life and an oxygenated atmosphere, the radiation becomes less devastating and can be beneficial by making the planet more resilient to UV radiation and protected from potential extinction events.
- Simulations of AGN radiation effects on Earth-like planets showed that the emissions can trigger ozone-building chemical reactions, creating a feedback loop that leads to a thicker ozone layer, which in turn protects the planet from harmful UV radiation.
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Nasa
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NASA Statement on Nomination of Greg Autry for Agency CFO
- The nomination of Greg Autry for Agency CFO has been made by President Donald Trump.
- If confirmed, Autry will be responsible for executing over $25 billion in agency funding across various missions.
- Autry has previous experience as the White House liaison during President Trump's first administration and extensive experience in space policy.
- He is the associate provost for Space Commercialization and Strategy at the University of Central Florida and also serves as a visiting professor at Imperial College London.
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Guardian
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Image Credit: Guardian
‘Perfect space crop’: Australian company to attempt to grow first mushrooms in orbit
- An Australian company, FOODiQ Global, is set to attempt growing mushrooms in space on SpaceX's Fram2 mission.
- Launching in early April, the Fram2 mission will be the first human spaceflight mission to orbit Earth's polar regions.
- Mushrooms are considered a perfect space crop due to their fast growth, nutritional value, and ability to be eaten raw.
- The experiment aims to analyze the effects of microgravity on mushroom growth and compare the results to control kits on Earth.
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Nasa
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Image Credit: Nasa
NASA Cloud Software Helps Companies Find their Place in Space
- Continuum Space Systems Inc. has developed a cloud-based platform that helps mission planners ensure the success of space resources.
- The company's platform includes features such as orbital maneuver plotting and risk management evaluations.
- Continuum's tools are designed to take a space mission from concept to completion, with three components: design, build and test, and mission operations.
- Several space startups and satellite constellation operators have started planning missions using Continuum's NASA-inspired software.
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Digitaltrends
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Image Credit: Digitaltrends
Curiosity rover finds tantalizing hints that Mars could once have been habitable
- The NASA Curiosity rover has discovered the largest organic compounds ever found on Mars, suggesting the planet could have been habitable in the past.
- The compounds found, decane, undecane, and dodecane, are fragments of fatty acids, the building blocks of life on Earth.
- The discovery provides evidence that chemical signatures of past life on Mars could be detected by analyzing samples from the planet.
- The presence of clay minerals, evidence of liquid water, sulfur, nitrates, and methane in the region further supports the possibility of life-forming chemistry on Mars in the past.
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Nasa
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Image Credit: Nasa
NASA Invites Media to Learn About Artemis Moon Mission Recovery
- NASA and the Department of Defense will host a media event on the recovery operations that will bring the Artemis II astronauts and the agency’s Orion spacecraft home at the conclusion of next year’s mission around the Moon.
- A team of NASA and Department of Defense personnel are at sea in the Pacific Ocean where splashdown will take place.
- Artemis II will be the first test flight of the SLS rocket, Orion spacecraft, and supporting ground system with crew aboard.
- The mission is another step toward missions on the lunar surface and helping the agency prepare for future astronaut missions to Mars.
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