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  2. Alpha Centauri - Wikipedia

    en.wikipedia.org/wiki/Alpha_Centauri

    The total mass was estimated to be between 10 −7 to 10 −6 the mass of the Moon, or 10–100 times the mass of the Solar System's zodiacal cloud. [135] If such a disc existed around both stars, α Centauri A's disc would likely be stable to 2.8 AU, and α Centauri B's would likely be stable to 2.5 AU [ 135 ] This would put A's disc entirely ...

  3. List of countries with highest military expenditures - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_with...

    The first list is based on the Stockholm International Peace Research Institute (SIPRI) fact sheet, which includes a list of the world's top 40 military spenders as of 2023, based on current market exchange rates.

  4. Thin-film solar cell - Wikipedia

    en.wikipedia.org/wiki/Thin-film_solar_cell

    The connection wires run under the ridge cap at the top of the roof. Efficiency ranges from 10-18% but only costs about $2.00-$3.00 per watt of installed capacity, compared to Monocrystalline which is 17-22% efficient and costs $3.00-$3.50 per watt of installed capacity. Thin film solar is light weight at 7-10 ounces per square foot.

  5. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    They are often much larger than fossil fuel power plants, needing areas of land up to 10 times greater than coal or gas to produce equivalent energy amounts. [254] More than 2000 renewable energy facilities are built, and more are under construction, in areas of environmental importance and threaten the habitats of plant and animal species ...

  6. Higgs boson - Wikipedia

    en.wikipedia.org/wiki/Higgs_boson

    It is predicted as 1.56 × 10 −22 s based on the predicted decay width of 4.07 × 10 −3 GeV. [2] However it can be measured indirectly, based upon comparing masses measured from quantum phenomena occurring in the on shell production pathways and in the, much rarer, off shell production pathways, derived from Dalitz decay via a virtual ...

  7. List of countries by traffic-related death rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    This list of countries by traffic-related death rate shows the annual number of road fatalities per capita per year, per number of motor vehicles, and per vehicle-km in some countries in the year the data was collected.

  8. List of fastest production cars by acceleration - Wikipedia

    en.wikipedia.org/wiki/List_of_fastest_production...

    Since one-foot rollout before the timer starts is used by some North American publications, times which exclude the time of the first foot of acceleration are included. [ 1 ] [ 2 ] [ 4 ] All times are independently tested and verified.

  9. Jewish population by country - Wikipedia

    en.wikipedia.org/wiki/Jewish_population_by_country

    By 2014 this had risen to 6,135,000, [13] while the population of the diaspora has dropped from 10.5 to 8.1 million over the same period. [14] Current Demographics of Israel are characterized by a relatively high fertility rate of 3 children per woman and a stable age distribution. [15] The overall growth rate of Jews in Israel is 1.7% annually ...