作者名称 国旗国籍

David B. vip

EN

CN

ES

TH

2019.09.07 12:13

During daylight, the sky appears to be blue because air scatters

more blue sunlight than red. At night, the sky appears to be a mostly dark surface or region spangled with stars. During the day, the Sun, and sometimes the Moon, can be seen in the sky unless obscured by clouds. In the night sky the Moon, planets, and stars can be similarly visible in the sky. Some of the natural phenomena seen in the sky are clouds, rainbows, and aurorae. Lightning and precipitation can also be seen in the sky. Birds, insects, aircraft, and kites fly in the sky. Due to human activities, smog during the day and light pollution during the night are often seen above large cities.

Source: Wikipedia
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Comments

  • daeun 2019.09.07 12:17

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    Look at your pic! It really matches on your description.
  • Ivonne C 2019.09.07 12:34

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    Are you in that place right now?
  • David B. 2019.09.07 12:35

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    @Ivonne C yes, it is where I work
  • NS 2019.09.07 12:42

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    Beautify!
  • Ivonne C 2019.09.07 12:48

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    @David B. OMG wow Excellent 😉
  • Clara Ko 2019.09.07 12:50

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    Thank you for a good example of reading to practise
  • Pitt 2019.09.07 12:54

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    Good
  • Ivonne C 2019.09.07 12:59

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    I would like to have a job like that 😍
  • 乐乐 2019.09.07 13:15

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    好听的声音
  • Yosef Yeshuah 2019.09.07 16:17

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    During daylight, the sky appears to be blue because air scatters more blue sunlight than red. At night, the sky appears to be a mostly dark surface or region spangled with stars. During the day, the Sun, and sometimes the Moon, can be seen in the sky unless obscured by clouds. In the night sky the Moon, planets, and stars can be similarly visible in the sky. Some of the natural phenomena seen in the sky are clouds, rainbows, and aurorae. Lightning and precipitation can also be seen in the sky. Birds, insects, aircraft, and kites fly in the sky. Due to human activities, smog during the day and light pollution during the night are often seen above large cities.
  • David B. 2019.09.07 22:45

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    @Ivonne C I count migrating hawks at a nature center
  • Ivonne C 2019.09.07 22:50

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    @David B. Admirable your work, congratulations 😄

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