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2. Clear Sky Chart - Wikipedia

   en.wikipedia.org/wiki/Clear_Sky_Chart

   Clear Sky Charts (called clocks until February 29, 2008) are web graphics which deliver weather forecasts designed specifically for astronomers. They forecast the cloud cover , transparency and astronomical seeing , parameters which are not forecast by civil or aviation forecasts. [ 1 ]

3. Orders of magnitude (illuminance) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude...

   Starlight overcast moonless night sky [1] 140 microlux: Venus at brightest [1] 200 microlux: Starlight clear moonless night sky excluding airglow [1] 10 −3: 1 millilux: 2 millilux: Starlight clear moonless night sky including airglow [1] 10 −2: 1 centilux: 1 centilux: Quarter Moon 10 −1: 1 decilux: 2.5 decilux: Full Moon on a clear night ...

4. Rayleigh sky model - Wikipedia

   en.wikipedia.org/wiki/Rayleigh_sky_model

   It is approximately 80%, which is a realistic maximum for the clear Rayleigh sky during day time. The video thus begins when the sun is slightly above the horizon and at an azimuth of 120°. The sky is highly polarized in the effective North-Zenith-South plane. This is slightly offset because the sun's azimuth is not due East.

5. Seen a line of weird lights in the sky over Central PA? Here ...

   www.aol.com/seen-line-weird-lights-sky-090030972...

   A Starlink "satellite train" is seen in the skies over Pennsylvania shortly after dusk, Saturday, Nov. 18, 2023, in Gettysburg.

6. Here’s when to look to the sky for July’s ‘Buck Supermoon’ in ...

   www.aol.com/news/look-sky-july-buck-supermoon...

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7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Orders of magnitude (energy) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude_(energy)

   The most energetic stellar superflare to date (V2487 Ophiuchi) [263] 10 38: 7.53×10 38 J Baryonic (ordinary) mass-energy contained in a volume of one cubic light-year, on average. [264] [265] 10 39 2–5×10 39 J Energy of the giant flare released by SGR 1806-20 [266] [267] [268] 6.602×10 39 J Theoretical total mass–energy of the Moon [269 ...

9. Pennsylvania's energy policy in 2024

   www.aol.com/news/pennsylvanias-energy-policy...

   (The Center Square) – In 2024, the transition to renewable energy and its impact on power grid demand and reliability continued to challenge Pennsylvania lawmakers. A partisan divide in the ...