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Nasa
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Image Credit: Nasa
Hubble Images a Grand Spiral
- This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 5643, located 40 million light-years away in the constellation Lupus.
- NGC 5643 is a grand design spiral with two large, winding spiral arms that are visible.
- Ultraviolet and X-ray images and spectra reveal that NGC 5643 hosts an active galactic nucleus powered by a supermassive black hole.
- Researchers discovered an even brighter X-ray-emitting object, called NGC 5643 X-1, on the galaxy's outskirts, potentially a smaller black hole.
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Medium
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Summary of Your Aids to Health
- Imagine the end desired and feel its reality. Follow it through, and you will get definite results.
- Decide what belief is. Know that belief is a thought in your Mind, and what you think you create.
- It is foolish to believe in sickness and something to hurt or to harm you. Believe in perfec, health, prosperity, peace, wealth, and divine guidance.
- Apply the power of prayer therapy in your life. Choose a certain plan, idea, or mental picture. Mentally and emotionally unite with that idea, and as you remata faithful to your mental attitude, your prayer will be answered.
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Arstechnica
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Image Credit: Arstechnica
Rocket Report: Chinese national flies drone near Falcon 9, Trouble down under
- Virgin Galactic has signed an agreement with Italy's civil aviation authority to study the feasibility of conducting spaceflight operations from Grottaglie Spaceport in Southern Italy.
- The study, expected to be completed in 2025, will focus on examining Grottaglie's airspace compatibility with Virgin Galactic's requirements and flight profile.
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Livescience
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Image Credit: Livescience
China aims to be 1st to bring samples back from Mars
- China's space agency aims to be the first to bring samples from Mars to Earth.
- The plan, called Tianwen-3, is a two-spacecraft Mars lander mission planned for 2028.
- It includes a lander, ascent vehicle, orbiter, return module, helicopter, and a six-legged robot.
- The mission's goal is to search for signs of past life on Mars.
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Digitaltrends
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Image Credit: Digitaltrends
SpaceX wants to turn its Starbase facility into a new city
- SpaceX has submitted a letter requesting an election to determine whether the Starbase facility in Texas should be incorporated as a city.
- The company aims to grow the Starbase workforce and develop amenities to make it a world-class place to live.
- While environmental concerns have been raised, SpaceX claims that becoming a city will not affect its commitment to the environment.
- This would be the first time an official petition has been filed for incorporating Starbase as a city.
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TechCrunch
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Image Credit: TechCrunch
Fleet Space raises $100M to scale satellite-enabled mineral prospecting tech
- Fleet Space Technologies has raised $100 million in a Series D funding round.
- The funding will be used to accelerate the development of ExoSphere, a platform for real-time mineral prospecting from space.
- Fleet currently has two satellites in low Earth orbit that connect to ground sensors, allowing for predictive insights and drill targeting.
- The company will also be sending a payload to the moon in 2026 to capture seismic data for lunar research.
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Guardian
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Image Credit: Guardian
Geminid meteor shower: when to best see Australia’s biggest shooting star show this weekend
- Australia will see its best and biggest meteor shower of the year, the Geminids, on Saturday.
- The meteor shower will be strongest between 2am and 4am on Saturday, with the best viewing time depending on your location.
- The shower can be seen from all over Australia, with better visibility further north and in areas with low light pollution.
- The Geminids meteor shower is special because it sends more meteors across the night sky than any other meteor shower in Australia.
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Knowridge
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Image Credit: Knowridge
Scientists reveal firefly sparkle galaxy, a window into the universe’s first billion years
- Scientists using the JWST have discovered and measured the mass of a galaxy that existed just 600 million years after the Big Bang.
- The Firefly Sparkle galaxy is similar in size to our Milky Way during its formation and has a unique brightness from 10 distinct star clusters.
- The galaxy's appearance, enhanced by gravitational lensing, resembles an elongated raindrop with clusters of stars spread unevenly.
- Interactions with two smaller galaxies nearby may contribute to Firefly Sparkle's future growth and evolution.
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Universe Today
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Image Credit: Universe Today
Another Clue About the Ultra-High Energy Cosmic Rays: Magnetic Turbulence
- Ultra-high-energy cosmic rays, which contain 10 million times more energy than the Large Hadron Collider, may be linked to magnetic turbulence.
- Cosmic rays are high-energy particles that come from various sources in the universe and interact with Earth's atmosphere.
- Ultra-high-energy cosmic rays are believed to originate from highly energetic events like active galactic nuclei or gamma ray bursts.
- A recent study suggests that these rays may instead originate from magnetic turbulence, where magnetic fields get tangled and cause particle acceleration.
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Digitaltrends
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Image Credit: Digitaltrends
NASA’s Mars rover just emerged from Jezero Crater. So, what next?
- NASA's Perseverance rover has reached the top of Mars' Jezero Crater rim after a challenging climb.
- The rover ascended 1,640 feet (500 meters) and conducted various science observations along the way.
- Perseverance's next science campaign, called Northern Rim, will explore regions that have not been previously studied.
- The rover will visit as many as four sites of geologic interest, taking samples along the way.
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Universe Today
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Image Credit: Universe Today
NASA Thinks it Knows Why Ingenuity Crashed on Mars
- NASA's Ingenuity helicopter crashed on Mars due to inaccurate data from the navigation system and lack of landmarks on smooth terrain.
- Ingenuity, part of the Mars 2020 mission, became the first robotic rotorcraft to fly in the Martian atmosphere.
- Flight 72, which ended in a crash, revealed that the navigation system couldn't find features to track, leading to a hard landing and damage to the rotors.
- Although Ingenuity can no longer fly, it will provide weather and avionics data to the Perseverance rover.
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Spaceflightnow
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Live coverage: SpaceX to launch 22 Starlink satellites on Falcon 9 rocket from California
- SpaceX is set to launch its latest batch of Starlink satellites from Vandenberg Space Force Base.
- The Falcon 9 rocket, with its ninth trip to space, will launch the Starlink 11-2 mission.
- The booster is expected to land on the SpaceX droneship 'Of Course I Still Love You'.
- The U.S. Space Force's Assured Access to Space is working to increase launch capacity and resilience at its spaceports.
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Geek Wire
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Stoke Space hotfires rocket engine on new vertical test stand — a ‘very big deal’ for Washington startup
- Stoke Space successfully hotfired its first-stage rocket engine on a new vertical test stand in Moses Lake, Washington.
- The test is significant as it is the first hotfire of the company's Block 2 stage 1 engine using full-flow staged combustion (FFSC) architecture.
- Stoke Space and SpaceX are the only two entities that have successfully developed FFSC engines.
- Stoke Space aims to build fully reusable rockets and space vehicles for frequent operations similar to aircraft.
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Brighter Side of News
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Image Credit: Brighter Side of News
Scientists detect 8 strange alien signals originating from nearby stars
- Scientists searching for evidence of intelligent extraterrestrial life detect eight previously undetected signals originating from five nearby stars, according to research published in Nature Astronomy.
- The researchers used a new machine learning-driven approach that incorporates neural networks, semi-unsupervised learning and random forest decision trees. These technologies enabled the modelling of various sources of radio frequency interference from multiple technosignatures.
- The goal of the research was to identify narrow-band, potentially artificial signals that stood out from others. None of the eight signals were found to contain readily identifiable RFI.
- The signals were detected during 150 terabytes of data from the Breakthrough Listen initiative and exhibited distinct frequency drifts, indicating a source located far from Earth.
- The GBT telescope observed 820 nearby stars and detected eight signals consistent with extraterrestrial origins.
- Future searches will centre on signals exhibiting characteristics specific to alien technologies, such as narrow-band frequency signals confined to one Hz, and signals with Doppler shifts indicating relative motion of the transmitter and receiver.
- Project scientist for Breakthrough Listen, Dr. Steve Croft, said the signals exhibited characteristics that are compatible with those we would expect from intelligent sources, but he warned that 'chance cannot be ruled out'.
- The researchers said it was necessary to carry out further research to determine the signals' origins.
- The team plans to extend their use of the machine learning technique to search more powerful telescopes in South Africa and the US, allowing them to broaden their search to millions of stars and boosting the chances of detecting possible signs of extraterrestrial life.
- The research offers a scalable solution to the challenges posed by vast datasets and pervasive interference in SETI. However, the lack of definitive evidence for extraterrestrial life requires scientists to continue to develop new methods and technologies.
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Universe Today
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Image Credit: Universe Today
New Research may Explain how Supermassive Black Holes in the Early Universe Grew so Fast
- A recent study led by researchers from the INAF analyzed a sample of 21 quasars, among the most distant ever discovered, to explain how supermassive black holes at the center of these galaxies reached their surprising masses through very rapid accretion.
- Proposals have been made to explain how these galaxies and their SMBHs grew so large less than one billion years after the Big Bang.
- For the study, researchers analyzed a sample of 21 quasars based on X-ray data and observed a connection between the shape of the X-ray emissions and the speed of the winds ejecting matter from the quasars.
- This connection suggests that wind speeds are connected to the temperature of the gas closest to the black hole’s corona.
- This means that the corona is connected to the powerful accretion mechanisms that allow black holes to grow.
- The results from the study confirm that supermassive black holes at the center of the first quasars formed very rapidly within the first billion years of the Universe’s life.
- The study provides valuable insights into the formation and evolution of SMBHs and their host galaxies that will inform future X-ray missions.
- The team's findings will inform future X-ray missions, including the Advanced Telescope for High Energy Astrophysics (ATHENA) and the Advanced X-Ray Imaging Satellite (AXIS).
- The next-generation instruments are expected to reveal even more about the early Universe and help resolve its deepest mysteries.
- The discovery of this connection between X-ray emission and winds is crucial to solving one of the greatest mysteries of modern astrophysics.
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