"we cannot choose wher we come from, only where we go from here" what does this mean?

i think it means that your past doesn't mean that's who you are now, or it means you did bad things in the past but focus of the future.

"We cannot choose where we come from," means that you can't change your past.

"only where we go from there." can mean that you carry on from your past, such as learning from mistakes.

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