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News
Truck camper owner hunting used solar panels asks what to avoid, and if voltage matters
1+ hour, 21+ min ago (476+ words) Shopping for used solar panels can seem like an easy way for truck camper owners to save money — until questions about voltage, roof space, and panel type begin to complicate the search. That was the dilemma one camper owner raised…...
Mercury may be shrinking faster than scientists expected, study reveals
20+ min ago (374+ words) CAPE CANAVERAL, Fla. — A new study shows that little, wrinkly Mercury may be shrinking faster than expected, the cosmos’ version of a grape shriveling into a raisin under the sun. Scientists from the German Aerospace Center’s Institute of Space Research…...
In Phoenix, north-facing solar panels can beat south-facing ones when summer AC use surges
2+ hour, 27+ min ago (621+ words) A counterintuitive solar idea gained attention online. In hot, sunny Phoenix, panels facing the "wrong" way can sometimes outperform south-facing panels when the goal is to keep pace with peak summer air-conditioning demand. That will not hold true everywhere — or…...
Classic Moon-formation simulations typically produced a ring of debris that assembled over months or years after a Mars-sized world struck early Earth. But simulations published in September 2026 that included temperature-dependent rock strength found that, under certain conditions, a coherent Moon-sized satellite could emerge in roughly five hours.
7+ hour, 6+ min ago (1286+ words) A September 2026 impact study found that strength retained by hot, partly solid rock can redirect Theia’s rebound and capture a coherent satellite within hours. By Terra Daily Editorial Team · Editorial process Published September 13, 2026 For decades, the standard computer version of…...
Off-grid solar user in -20 F climate asks about 100-foot run, gets a clear answer: 'Run DC"
1+ hour, 10+ min ago (568+ words) "Wherever possible, you want to make your longer runs at higher voltages." In very cold regions, off-grid solar planning often comes down to where batteries can stay warm and how power should travel from a ground-mounted array. On Reddit, a…...
Planetarium upgrades bring outer space closer to home and Earth into focus
1+ hour, 36+ min ago (484+ words) ST. LOUIS – Some out of this world changes have come to the James S. McDonnell Planetarium at the Saint Louis Science Center. After undergoing a six-month technological upgrade, it is now the most advanced hybrid planetarium in the nation. "In…...
Solar owner asks if 340W panel can replace broken 250W unit, gets told 'watts don't really matter"
2+ hour, 38+ min ago (389+ words) After a panel failure in an existing solar array, one Redditor asked whether a 340-watt module they could buy locally could replace a damaged 250-watt panel without causing issues. Users said the real question was not about the higher wattage…...
OPINION: Don't give up on Perseverance
2+ hour, 6+ min ago (883+ words) Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. In February 2012, the future of NASA’s Mars Exploration program looked bleak. The Obama administration’s 2013 budget request…...
Scientists: Mercury’s shrinkage accelerating | Northwest Arkansas Democrat-Gazette
2+ day, 14+ hour ago (31+ words) CAPE CANAVERAL, Fla. -- A new study shows that little, wrinkly Mercury may be shrinking faster than expected, the cosmos' version of a grape shriveling into a raisin under the sun....
Mercury May Be Shrinking Faster Than Scientists Thought
5+ hour, 26+ min ago (556+ words) Greek PM Kyriakos Mitsotakis and Emmanuel Macron discuss the space mission as well as GSI, Hormuz crisis and regional developments during Paris meeting New research indicates that Mercury, the solar system’s smallest planet, might be contracting more dramatically than previously…...