Do you think kindness should be offer even to those we don't know

I would follow the golden rule, treat someone how you would want to be treated. It will only make you look how you want to look, you could seem very nice to people and they will feel mutual most of the time.

the sun warms our planet, and with the moon, creates the tides. the moon orbits the earth and in turn, the earth orbits the sun. because they appear to be the same size in the sky, the sun, earth and moon work together to create eclipses. when the moon is directly in between the earth and sun