Question 30
The Solar System is whirling around the center of the Milky Way galaxy at a whopping 220 kilometers per second. Considering all the motions together, the Earth is moving fastest through the galaxy during the month of _____________ when the planet’s orbital motion aligns with the Sun’s motion through the Milky Way.
Editorial scope: use the conventional velocity relative to the Galaxy, not heliocentric orbital speed; alignment means maximal projection.
Editorial scope: use the conventional velocity relative to the Galaxy, not heliocentric orbital speed; alignment means maximal projection.