Why does sun look red during rising and setting and why does sky look

1.	Why does sun look red during rising and setting and why does sky look blue?
Answer» <html><body><p></p>Solution :Within the troposphere water <a href="https://interviewquestions.tuteehub.com/tag/vapour-1442886" style="font-weight:bold;" target="_blank" title="Click to know more about VAPOUR">VAPOUR</a>, ozone and other gases absorb <a href="https://interviewquestions.tuteehub.com/tag/much-2164829" style="font-weight:bold;" target="_blank" title="Click to know more about MUCH">MUCH</a> of the near infrared radiation. Very small-suspended particles in the troposphere scatter visible specturm both to the <a href="https://interviewquestions.tuteehub.com/tag/space-649515" style="font-weight:bold;" target="_blank" title="Click to know more about SPACE">SPACE</a> and towards the earth surface. This process <a href="https://interviewquestions.tuteehub.com/tag/adds-849677" style="font-weight:bold;" target="_blank" title="Click to know more about ADDS">ADDS</a> colour to the <a href="https://interviewquestions.tuteehub.com/tag/sky-1211556" style="font-weight:bold;" target="_blank" title="Click to know more about SKY">SKY</a>. The red colour of the rising and the setting sun and the blue colour of the sky are the result of scattering light of the atmosphere.</body></html>

Why does sun look red during rising and setting and why does sky look blue?