It's in the headlines we read every week: Scientists have found a new planet. It's a "Hot Jupiter", and its orbit last only 4 days, skimming the surface at a scant 4.6 million miles... You read it again, and wonder, how do astronomers know how far a planet is away from its host star? It's because of Kepler's laws of planetary motion!
As the Earth orbits the Sun, the orientation that the pole is tiled (towards Orion) does not change. What does change is the angle of the Sun in the sky as it relates to our Equator. This is why Polaris is always above the North Pole, but the