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the Solar System
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- 1Interactive real-time solar system map tracks 526,000 asteroids●Show HN: Real-time Solar System with 526k asteroids and all tracked satellites
A developer has launched a browser-based, real-time visualization of the solar system that renders roughly 526,000 known asteroids along with every tracked artificial satellite. Users can explore planetary orbits and space traffic live. The project drew quick attention on Hacker News, where commenters are praising its scope and smooth rendering while asking about the underlying orbital data and how positions are calculated.
- 2California signs SB 868 plug-in solar law●Solar Rights Alliance on SB 868 (just signed into law in California) "...This new Plug-In solar law does three things: C
California Governor signed SB 868 into law, establishing rules for plug-in solar systems. According to the Solar Rights Alliance, the new law creates a statewide safety standard for plug-in solar, limits system size to 1,200 watts (roughly three to four panels), and introduces new rules allowing easier use of such systems. The measure is seen as a step toward making small-scale balcony-style solar accessible to California residents.
- 3Lightning Reassign Goaltender Harrison Meneghin To Orlando Solar Bears●Tampa Bay Lightning Reassign Goaltender Harrison Meneghin From Syracuse Crunch To Orlando Solar Bears
The Tampa Bay Lightning have reassigned goaltender Harrison Meneghin from the Syracuse Crunch of the AHL to the Orlando Solar Bears, their ECHL affiliate. The move gives the young netminder a chance for more consistent playing time at the ECHL level as he continues his development within the Lightning organization.
- 4Cornell opens vast solar system image library▼Exploring the solar system through Cornell's image library
Cornell University is highlighting a curated library of images documenting the solar system, drawn from decades of planetary exploration. The collection offers researchers and the public visual records of planets, moons and missions, underlining Cornell's long-standing role in planetary science and space mission imaging.
- 5
California has officially legalized plug-in balcony solar, becoming a US state to open the market to the technology. The change allows residents, including renters and apartment dwellers, to install small solar panels on balconies and connect them to the grid, a policy already popular in Germany and other parts of Europe where such systems have spread widely. Supporters see it as a low-cost way to expand access to clean energy.
- 6New podcast episode explores Mercury's strange properties●In der neuen Folge erzählt @ pikarl vom kleinsten Planeten. Der # Merkur ist total merkwürdig: extreme Masse, starkes Ma
A new podcast episode presented by pikarl turns to Mercury, the smallest planet in the solar system. The episode describes the planet as a genuine oddity: an unusually high mass for its size, a strong magnetic field and a chemical composition that does not fit existing models. According to the discussion, every space probe sent to Mercury has so far deepened rather than solved its mysteries.
- 7Recent Solar System Discoveries Capture Wide Attention●Incredible Solar System Discoveries from the Last Few Months (Video Compilation)
Science audiences are engaging with a roundup of recent solar system findings, compiling discoveries reported over the past few months. The collection has drawn strong interest, reflecting growing public appetite for space news, from planetary observations to updated insights about objects across our cosmic neighbourhood.
- 8Solar System's Life Expectancy Revised Sharply Downward▼The Solar System Has a New Life Expectancy, and It’s a Billion Times Shorter
Astronomers have published a revised estimate of how long the Solar System will endure, cutting the figure dramatically from previous expectations. The claim, highlighted by AAS Nova, frames the new life expectancy as vastly shorter than the old one, on the order of a billionfold. Details of the underlying research and what the new timeline actually means for Earth and the planets remain limited in the available coverage.
- 9Tigo Energy Expands Czech Solar Business with Residential Storage▼Tigo Energy Builds on 80MW of C&I Solar Growth in Czechia with GO Optimized ESS for Residential
Tigo Energy announced it has reached 80MW of commercial and industrial solar installations in Czechia and is now launching a residential energy storage system optimized with its GO technology. The company is building on its established commercial footprint in the Czech market to move into the home battery segment, targeting growing residential demand for solar-plus-storage solutions.
- 10Virtus Solis signs first space solar power deal with Brae Systems▼Virtus Solis seals its 1st space solar PPA with Brae Systems
US-based space solar startup Virtus Solis has signed its first power purchase agreement for space-based solar energy with Brae Systems. The deal marks a commercial milestone for a technology that aims to collect solar power in orbit and beam it to Earth, a concept long considered speculative. It signals growing commercial interest in space solar as an energy option.
- 11Iowa Farmers Union sues USDA over solar funding cuts▼Iowa Farmers Union joins lawsuit against USDA over solar funding cuts
The Iowa Farmers Union has joined a lawsuit against the US Department of Agriculture challenging cuts to solar funding for farmers. The case contests reductions to federal programs that help farmers install solar energy systems, a key rural renewable energy support.
- 12Twilight alignment of Moon and Saturn draws skywatchers●Celestial alignment during twilight offers a unique opportunity to observe the varying scales of our solar system. This
A celestial alignment at twilight is giving observers a chance to see the waning crescent Moon close to Saturn and its rings in the same field of view. Astronomy enthusiasts are sharing images and noting how such conjunctions illustrate the vast difference in scale between objects in the solar system, from the nearby Moon to Saturn's distant, cratered disk.
- 13KawiSafi invests $2 million in Orb Energy for East Africa solar expansion●KawiSafi backs Orb Energy with $2M for East Africa solar push
Impact investor KawiSafi has committed $2 million to solar energy company Orb Energy to support its expansion across East Africa. The funding will help Orb Energy grow its pay-as-you-go solar systems and financing for households and small businesses. Orb Energy already operates in Kenya, making the region a natural focus for the new capital as off-grid solar demand rises.
- 14Comet 161P/Hartley-IRAS tracked ahead of perihelion●2026-10-01 04:00:00 UTC (Delta: 2026-09-30) ☄️161P/HARTLEY-IRAS - Barycentric speed: 32.82 km/s (+0.09 km/s) - Perihelio
Comet 161P/Hartley-IRAS is being monitored as it moves toward the inner solar system. Its barycentric speed has ticked up to 32.82 km/s, with perihelion about 57 days away. Current brightness sits around magnitude 14.2, meaning it remains a small-telescope target from dark-sky sites, currently in the constellation Aquarius and visible from both hemispheres. Amateur astronomers are following its gradual brightening as the approach continues.
- 15
Farmers are pushing back against the USDA's decision to cut federal assistance for rural solar projects. The reductions affect programs that help farms and rural communities install renewable energy systems, and growers say the loss of support could stall clean energy adoption and raise costs. The dispute highlights growing tension between agricultural interests and federal energy policy.
- 16NASA's Bennu asteroid samples reveal a mixed-origin 'Frankenstein' rock▼# Bennu es un poco Frankenstein: el # asteroide que la # NASA trajo a la # Tierra mezcla materiales de los dos extremos
NASA's OSIRIS-REx mission brought samples of asteroid Bennu back to Earth, and analyses show the space rock contains material from both the inner and outer reaches of the Solar System. Researchers describe Bennu as a kind of 'Frankenstein' asteroid, assembled from fragments with very different origins, offering new clues about how the Solar System formed.
- 17The Ideal Candidates for Interstellar Travel●The Ideal Candidates for Interstellar Travel https:// buymeacoffee.com/newscafe/the- first-biological-astronauts-sent-be
A discussion is under way about which biological organisms would make the best candidates for humanity's first missions beyond the solar system, arguing that humans themselves are unlikely to be the first biological astronauts sent that far. The piece points to research on hardy life forms suited to long-duration interstellar conditions, prompting debate about what future deep-space exploration might actually look like.
- 18Rooftop solar growth makes New England gas plant obsolete▼Rooftop solar growth makes giant New England gas plant obsolete as region hits 500th Duck Curve day
Rooftop solar adoption in New England has grown so large that a major gas-fired power plant is being considered obsolete, according to pv magazine USA. The region has now recorded its 500th 'duck curve' day, when midday solar generation suppresses grid demand, reshaping how the power system is run and undermining the economics of large conventional plants.
- 19
A Texas court ruling has tightened oversight of how residential solar systems are sold in the state, imposing stricter scrutiny on sales practices in the rooftop solar industry. The decision comes amid ongoing complaints about misleading marketing and aggressive door-to-door tactics by solar installers, and it could influence how other states regulate residential solar sales.
- 20Astronomers Detect Possible Radio Waves From Exoplanet Beta Pictoris b▼Radio Waves From Beta Pictoris b May Be a Cosmic First
Astronomers may have picked up radio emissions from Beta Pictoris b, a young gas giant orbiting a star about 63 light-years from Earth. If confirmed, it would be the first time radio waves have been detected from an exoplanet, offering a new way to study planets beyond the solar system. Scientists are urging caution until independent observations verify the signal.
- 21Solar racking company simplifies electrical bonding▼How a solar racking company made electrical bonding easier
Solar Power World reports on how a solar racking company has simplified electrical bonding in its mounting systems. Electrical bonding is a critical safety step in solar installations, ensuring metal components are properly grounded, and easier methods can cut installation time and labor costs. The article details the company's approach, but specifics of the technology and reactions from installers are not detailed.
- 22Comet PanSTARRS Anti-Tail Grows, NASA Reports●2013 May 26 - PanSTARRS Anti Tail Grows - NASA Science
NASA reports that Comet PanSTARRS has developed a growing anti-tail, an optical effect that makes the comet appear to point toward the Sun. Observations from May 2013 show the feature lengthening as the comet recedes after its pass through the inner solar system. Skywatchers and astronomers are following the comet's changing appearance and discussing what the anti-tail reveals about its dust trail.
- 23Solar micro grids being built in North Carolina for storm resilience▼Solar micro grids going up in North Carolina to help storm prep
Solar micro grids are being installed across North Carolina as part of preparations for severe storms. The systems are intended to keep power running in local communities when extreme weather knocks out the main grid, reflecting growing interest in decentralized renewable energy for disaster readiness.
- 24NASA Tests Roman Telescope Guidance, Captures First Coronagraph Image▼NASA Checks Roman Guidance System, Takes First Coronagraph Observation
NASA has checked the guidance system of its Nancy Grace Roman Space Telescope and recorded the first observation with its coronagraph instrument. The milestone tests the technology designed to block starlight so the telescope can directly image planets outside the solar system. Engineers will now assess how the systems perform ahead of the mission's science operations.
- 25
Blacksburg Transit in Virginia is installing an 867-kilowatt solar system at its facility. The project, reported by the Roanoke Times, would put solar power on the agency's buildings and support its operations with renewable energy. Further details on cost, contractors and timelines were not included in the initial report.
- 26The collective impact of household energy shifts▼The astonishing collective impact of household energy shifts
Small changes in how households use and generate energy — heat pumps, electric cars, rooftop solar and shifting consumption patterns — add up to a significant effect on overall energy systems when multiplied across millions of homes. New Scientist highlights how these individual choices collectively reshape demand on power grids and contribute to cutting emissions, turning private decisions into a large-scale transformation of the energy landscape.
- 27Schneider Electric executive on solar's role in energy transition▼How the solar surge is reshaping the energy transition: An interview with Frédéric Godelmel of Schneider Electric
Schneider Electric's Frédéric Godelmel has given an interview explaining how the rapid growth of solar power is reshaping the global energy transition. He discusses solar's expanding share of energy systems and the implications for electrification and energy management as countries scale up renewable capacity.
- 28Developer builds computation engine for Chinese Four Pillars astrology●What happens when a birth time lands in the hour a solar term changes? A 30-minute error can swap an entire pillar. I sp
A developer has spent the past year building a computation engine for BaZi, the Chinese Four Pillars birth-chart system, reverse-engineering its rules as a technical rather than mystical exercise. The tricky part: when a birth time falls within the hour a solar term changes, even a 30-minute error can swap an entire chart pillar, changing the whole reading.
- 29Virtus Solis signs 20-year space solar power deal with Brae Systems▼Virtus Solis Signs Landmark 20-Year Space Solar PPA with Brae Systems to Deliver 250 MW of Orbital Baseload Clean Power
Space-based solar company Virtus Solis has signed a 20-year power purchase agreement with Brae Systems to deliver 250 MW of baseload clean power harvested from orbit. The deal, announced via press release, is being billed as a landmark for space solar, a technology that collects sunlight in orbit and beams it to Earth, and would represent one of the first long-term commercial commitments to orbital energy at scale.