Why is the sky blue? - The Spirit of Discovery

advertisement
Why is the sky blue?
Written by
Savanna Choak
Does it look blue to all animals?
introduction
The sky is everything that lies above the surface of the Earth, including the
atmosphere and outer space. In the field of astronomy, the sky is also called
the celestial sphere. This is viewed from Earth's surface as an imaginary dome
where the sun, stars, planets, and the moon are seen to be traveling.
constellations.
Usually, the term sky is used informally as the point of view from the Earth's
surface; however, the meaning and usage can vary. In some cases, such as in
discussing the weather, the sky refers to only the lower, more dense portions
of the at.
The sky is blue
Butterfly's
peacefully
flying in the
sky.
Diagram for what is the sky.
Thick clouds
Blue sky
different shades
of blue
The sky can be
Red, Orange,
white for when it
is misty, pink for
the sunset.
conclusion
Conclusively, the sky is everything that
lies above the surface of the Earth. The
sky is called Celestial Sphere. A clear
cloudless day-time sky is blue because
molecules in the air scatter blue light from
the sun more than they scatter red
light. When we look towards the sun at
sunset, we see red and orange colours
because the blue light has been scattered
out and away from the line of sight.
Download