When we see the Sun moving across the sky during the day it’s because the Earth is spinning, not the Sun. Let’s put a marker on Scotland. When this part of the Earth is facing the Sun it’s ...

i.e. it’s very rare for the solar system’s centre of mass to align with the Sun’s centre." The planetary scientist also ...

though since Earth moves around the sun at about 66,600 mph.) To illustrate what's going on during an equinox, planetary scientist James O'Donoghue created an animation (below) last year.

To illustrate what's going on with the solstice, Dr. James O'Donoghue, a planetary scientist at the Japan Aerospace Exploration Agency, created an animation ... sun. The axis around which the ...