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Because clouds are opaque.
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∙ 10y ago
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Can you get vitamin D from the sun on cloudy days?
can you get vitamin d on a cloudy day
It is this time when you cannot see the sun?
At night, or during an eclipse of the Sun, or when it's cloudy.
How can you see a sun's light on cloudy days?
The sun's rays shine throught the clouds.
How many days of sunshine are there in Boston?
Average: 178 days per year of sun exposure; with 98 of those days recorded as full sun exposure (no clouds). The remaining 80 of those days were recorded as partly sunny, partly cloudy, or (mixed) cloudy with rain and/or some sun in the day.
How does outdoor solar lighting get power during cloudy days?
Solar lights still receive some sun light on cloudy days. Many are able to store power from previous sunny days and continue working through a few cloudy days before needing more sun light to power them. http://www.livestrong.com/article/170281-do-solar-lights-charge-on-a-cloudy-day/
We often cannot see the sun or the sky on a cloudy day what else can't you see on a cloudy day?
The Moon, aircraft - many things.
How many stars can be seen during the daytime?
Just one. The Sun. Unless it's cloudy.
What is day break called?
Usually it is called sunrise. Even if it is cloudy and you cannot see the sun
What percent of the suns heat can clouds absorb on cloudy days?
About 6% of the shortwave energy that comes from the sun is actually absorbed by clouds on a cloudy day.
Does water still evaporate on cloudy days?
yes, only if its sunny because the energy for evaporation is the sun
When can the corana of the sun best be seen?
Just as stars cannot be seen in the daytime, the corona cannot be seen except when the moon hides the brilliant disk of the sun. Or during a total eclipse. which in other words the corana of the sun can be seen during a Total solareclipse.
Did you see the gravity of the sun?
No. Gravity cannot be seen.
