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Space News
Arstechnica
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Image Credit: Arstechnica
Tuesday Telescope: Webb and Hubble team up to reveal spectacular star clusters
- Open star clusters are valuable for astronomers as they allow for the study of stars that formed around the same time, aiding in understanding stellar evolution.
- NASA has shared images of open star clusters in visible and infrared light captured by the Hubble and James Webb Space Telescopes, showcasing different aspects of the clusters.
- The Pleiades cluster and more distant clusters like NGC 460 and NGC 456 are highlighted in the images.
- The composite image created from overlapping observations from both telescopes reveals stunning details of the star clusters.
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Ars Technica
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Image Credit: Ars Technica
China jumps ahead in the race to achieve a new kind of reuse in space
- Chinese satellites SJ-21 and SJ-25 rendezvoused in high-altitude space for refueling attempt.
- SJ-25 aims to verify satellite fuel replenishment tech while SJ-21 demonstrated space debris mitigation.
- US Space Force also explores orbital refueling. China's advancement poses potential challenges.
- Chinese positioning indicates emerging capabilities in space activities, raising international scrutiny.
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Earthsky
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Image Credit: Earthsky
Earth could be in a void, Big Bang sound waves suggest
- Earth may be in a billion-light-year-wide void, explaining Hubble tension.
- Big Bang sound waves suggest this theory, affecting universe's expansion rate.
- Research proposes Earth's position in a void as a solution to Hubble discrepancy.
- Astronomers analyze baryon acoustic oscillations to support the idea of a local void.
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Earthsky
6d
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Image Credit: Earthsky
A deep-space navigation first, from New Horizons
- New Horizons spacecraft marks deep-space navigation first by imaging 2 stars in galaxy.
- Astronomers pinpoint spacecraft's location using star images; demonstrate interstellar navigation.
- First use of stars imaged from spacecraft for navigational fix on interstellar trajectory.
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Hackaday
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Image Credit: Hackaday
Touch Lamp Tracks ISS with Style
- Youthful Maker, Will Dana, creates an ISS-tracking lamp using an off-the-shelf globe and stepper motors configured for alt/az control.
- The lamp features an ESP32 for control, touch-activated LEDs, and a 3D printed ISS model that moves across the globe's surface.
- The ISS position is fetched using a NASA API, and the device resets every orbit due to lacking slip rings or a 360-degree stepper.
- The project showcases the young generation's talent in innovative DIY projects, with the lamp being a unique and creative creation.
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Earthsky
6d
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Image Credit: Earthsky
New clues to how galaxies sustain star formation
- Scientists found high-velocity gas clouds in galaxy Messier 83, likely from outside it.
- These dense molecular clouds may explain how galaxies sustain star formation over time.
- Research suggests galaxies can pull in gas from surroundings to fuel star formation.
- Galaxies like Messier 83 might accrete gas from intergalactic medium or nearby galaxies.
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Knowridge
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Image Credit: Knowridge
Tiny space pebbles reveal the birth of new solar systems
- Astronomers using radio telescopes in the U.K. have discovered planet-forming pebbles orbiting two young stars, DG Tau and HL Tau.
- These pebbles, found in protoplanetary disks around the stars, are believed to be the building blocks of planets like Earth, Jupiter, and Saturn.
- This discovery sheds light on the early stages of planet formation, a crucial missing piece in understanding how solar systems develop.
- The research is part of the PEBBLeS project led by Professor Jane Greaves and offers insights into how solid material gathers in protoplanetary disks before planets form.
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TechnologyReview
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Image Credit: TechnologyReview
Inside the most dangerous asteroid hunt ever
- Astronomers track 130- to 300-foot asteroid with 3.1% chance of 2032 Earth impact.
- Scientists contemplate various methods to prevent asteroid catastrophe, ultimately determining Earth impact unlikely.
- Observatories worldwide monitor asteroid's trajectory, refining calculations to low 0.3% impact probability.
- JWST observes asteroid, reveals it is 200 feet across, eliminating Earth threat but moon impact possible.
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Earthsky
6d
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Image Credit: Earthsky
Summer Triangle star: Vega is bright and blue-white
- The Summer Triangle consists of blue-white Vega, distant Deneb, and fast-spinning Altair.
- Vega, the brightest star in the East in July evenings, is blue-white and located in Lyra.
- Observing Vega and its constellation, Lyra, reveals interesting features and astronomical significance.
- Vega is a fast-spinning, middle-aged star with a unique asteroid belt detected around it.
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Spaceflightnow
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Live coverage: SpaceX to launch 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
- SpaceX is set to launch 28 Starlink satellites on its Falcon 9 rocket from Cape Canaveral in a mission called Starlink 10-28.
- The launch is scheduled for 4:21 a.m. EDT from Space Launch Complex 40, with live coverage available prior to liftoff.
- Weather conditions are favorable with a 95 percent forecasted chance for clear skies, minimal interference from cumulus clouds.
- The mission will reuse the Falcon 9 first stage booster B1077 for the 22nd time, aiming for a droneship landing which would mark the 117th successful touchdown for the vessel and the 473rd booster landing for SpaceX.
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Knowridge
6d
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Image Credit: Knowridge
Scientists capture stunning image of a distant black hole jet
- Scientists have captured a detailed image of a powerful jet emanating from a distant black hole by connecting advanced radio telescopes worldwide.
- The collaboration involved telescopes from various countries, with South Africa's MeerKAT telescope teaming up with the European VLBI Network for the first time.
- MeerKAT's 64 dishes, when combined through VLBI, act like a single telescope spanning thousands of kilometers, enabling detailed observation of cosmic events.
- This breakthrough not only enhances the quality of images but also highlights the potential of future telescopes like the Square Kilometre Array (SKA) to delve deeper into the universe.
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Nasa
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Image Credit: Nasa
Curiosity Blog, Sols 4589 – 4592: Setting up to explore Volcán Peña Blanca
- Curiosity Rover is exploring a feature named Volcán Peña Blanca on Mars, which includes a 3-foot high ridge with sedimentary structures indicating clues about rock deposition.
- Team planned a drive to approach the ridge for closer investigation, setting up for contact science activities on Monday.
- Additional activities were planned over the U.S. 4th of July holiday weekend, including investigating light-toned rocks and conducting instrument analyses.
- Curiosity will investigate rocks with instruments like APXS, MAHLI, and ChemCam, and conduct high-resolution imaging of various features in the area.
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Nasa
7d
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Image Credit: Nasa
Curiosity Blog, Sol 4588: Ridges and troughs
- On Sol 4587, NASA's Curiosity rover encountered different terrain features including more resistant ridges, rubbly areas, and trough-like features.
- The science team aims to analyze the composition and texture of rocks in these varied terrains, with a focus on understanding the differences between more resistant ridges and troughs.
- Planned activities involve brushing a target rock named 'Guapay', analyzing rocks with APXS and MAHLI, and capturing Mastcam images of the 'Volcan Pena Blanca' ridge.
- The rover will also conduct long-distance imaging with ChemCam, image the 'Mishe Mokwa' butte, and perform atmospheric observations before continuing towards Mount Sharp.
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Brighter Side of News
7d
20
Image Credit: Brighter Side of News
Space ice is less like water than scientists thought, study finds
- Water frozen in space was thought formless, but new study challenges this.
- Detailed simulations show tiny crystals within disordered space ice, changing previous beliefs.
- Findings have implications for understanding ice in the Universe and its role in cosmological processes.
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Earthsky
7d
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Image Credit: Earthsky
Did something just hit Saturn? See the image here!
- Mario Rana captured a bright flash on Saturn at 5:07:56 a.m. EDT on July 5, 2025, suggesting a possible impact.
- A call for more observations has been made to confirm the event of the potential impact on Saturn.
- The solar system contains various debris, making impacts on planets like Saturn a rare but possible event.
- The impact of Comet Shoemaker-Levy 9 into Jupiter in 1994 showcased the potential for such events in our solar system.
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